Tham khảo Zamorano-Leonés

  1. 1 2 Barbara Rischkowsky, D. Pilling (eds.) (2007). List of breeds documented in the Global Databank for Animal Genetic Resources, annex to The State of the World's Animal Genetic Resources for Food and Agriculture. Rome: Food and Agriculture Organization of the United Nations. ISBN 9789251057629. Truy cập July 2014.
  2. ↑ Waltraud Kugler, Hans-Peter Grunenfelder, Elli Broxham (2008). Donkey Breeds in Europe: Inventory, Description, Need for Action, Conservation; Report 2007/2008. St. Gallen, Switzerland: Monitoring Institute for Rare Breeds and Seeds in Europe. Archived ngày 2 tháng 9 năm 2009.
  3. ↑ Breed data sheet: Zamorano-Leonés/Spain. Domestic Animal Diversity Information System of the Food and Agriculture Organization of the United Nations. Truy cập July 2014.
  4. 1 2 3 4 Raza equino asnal ZAMORANO-LEONÉS: Datos Morfológicos (in Spanish). Ministerio de Agricultura, Alimentación y Medio Ambiente. Truy cập July 2014.
  5. 1 2 3 4 5 Miguel Fernández Rodríguez, Mariano Gómez Fernández, Juan Vicente Delgado Bermejo, Silvia Adán Belmonte, Miguel Jiménez Cabras (eds.) (2009). Guía de campo de las razas autóctonas españolas (in Spanish). Madrid: Ministerio de Medio Ambiente y Medio Rural y Marino. ISBN 9788449109461. p. 438–41.
  6. ↑ Raza equino asnal ZAMORANO-LEONÉS (in Spanish). Ministerio de Agricultura, Alimentación y Medio Ambiente. Truy cập July 2014.
  7. ↑ Raza equino asnal ZAMORANO-LEONÉS: Datos censales (in Spanish). Ministerio de Agricultura, Alimentación y Medio Ambiente. Truy cập July 2014.