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http://ngm.nationalgeographic.com/2003/05/sherpas/reid-field-notes
http://ngm.nationalgeographic.com/2003/05/sherpas/reid-text/1
Subba, Jash Raj. (2007) "History, Culture and Customs of Sikkim". 176
Doma Sherpa, Lhakpa; Tendi Sherpa, Chhiri; Krämer, Karl-Heinz. (2006) "Sherpa conversation and basic words". 4, 170
http://ngm.nationalgeographic.com/2003/05/sherpas/reid-field-notes
http://ngm.nationalgeographic.com/2003/05/sherpas/reid-text/1