Chú thích Tiếng_Hindustan

  1. Hindi chuẩn: 180 triệu (Ấn Độ, 1991). Urdu: 48 triệu (Ấn Độ, 1997), 11 triệu (Pakistan, 1993). Ethnologue 16.
  2. 120 triệu Hindi chuẩn (1999), 45 triệu Urdu (1999). Ethnologue 16.
  3. BBC: A Guide to Urdu
  4. The Central Hindi Directorate regulates the use of Devanagari script and Hindi spelling in India. Source: Central Hindi Directorate: Introduction
  5. National Council for Promotion of Urdu Language
  6. Mohammad Tahsin Siddiqi (1994), Hindustani-English code-mixing in modern literary texts, University of Wisconsin, ... Hindustani is the lingua franca of both India and Pakistan... 
  7. Lydia Mihelič Pulsipher, Alex Pulsipher, Holly M. Hapke (2005), World Regional Geography: Global Patterns, Local Lives, Macmillan, ISBN 0716719045, ... By the time of British colonialism, Hindustani was the lingua franca of all of northern India and what is today Pakistan... 
  8. “About Hindi-Urdu”. North Carolina State University. Truy cập 2009–08–09.  Kiểm tra giá trị ngày tháng trong: |accessdate= (trợ giúp)