^Neki, J.S. (2006). Divine Intimations Nitnem. Hemkunt Press. p. 229.
^
Doel, Sarah M. Van (2008). Sikh Music: History, Text, and Praxis. ProQuest. p. 87.
^Singh, Gurbakhsa (2009). Sikh Faith: Questions and Answers (Third ed.). Ludhiana, Punjab: Guru Gobind Singh Study Circle. p. 64. ISBN978-93-87152-71-7.