Hammarström, Harald; Forkel, Robert; Haspelmath, Martin; Bank, Sebastian (编). Lepcha. Glottolog 2.7. Jena: Max Planck Institute for the Science of Human History. 2016.
sikkim.nic.in
Lepchas and their Tradition. Official Portal of NIC Sikkim State Centre. National Informatics Centre, Sikkim. 2002-01-25 [2011-04-16]. (原始内容存档于2017-10-17).
Lepchas and their Tradition. Official Portal of NIC Sikkim State Centre. National Informatics Centre, Sikkim. 2002-01-25 [2011-04-16]. (原始内容存档于2017-10-17).