Tham khảo Brinsley Le Poer Trench

  1. ↑ “(www.bibliotecapleyades.net) Brinsley Le Poer Trench: "Legends and the case for Hollow Earth."”. Truy cập ngày 5 tháng 2 năm 2008.
  2. ↑ Trench, Brinsley Le Poer (1976). Secret of the Ages UFOs from Inside the Earth. Panther Books. tr. 15, 16, 57, 78, 79, 119.
  3. ↑ Lost Lands, Forgotten Realms: Sunken Continents, Vanished Cities, and the Kingdoms that History Misplaced, Bob Curran, 2009, p. 31 ISBN 9781442967588
  4. ↑ The Book Of Lists: The Original Compendium of Curious Information, David Wallechinsky, 2005, p. 311 ISBN 9780676977202
  5. ↑ Atlantis Rising, Brad Steiger, Dell Pub. Co., 1973, p. 198 ISBN 044011182X
  6. ↑ [Source: Ruth Montgomery's "Aliens Among Us" Putnam, 1985 p. 227]
  7. ↑ Curing Hiccups with Small Fires: A Delightful Miscellany of Great British Eccentrics, Karl Shaw, 2009, p. 105 ISBN 9780752227030

Tài liệu tham khảo

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