Arvind-Pal S. Mandair؛ Christopher Shackle؛ Gurharpal Singh (16 دسمبر 2013)۔ Sikh Religion, Culture and Ethnicity۔ Routledge۔ ص 13, Quote: "creation of a pothi in distinct Sikh script (Gurmukhi) seem to relate to the immediate religio–political context ..."۔ ISBN:9781136846342۔ اخذ شدہ بتاریخ 2016-11-23 Gurinder Singh Mann؛ Paul Numrich؛ Raymond Williams (2007)۔ Buddhists, Hindus, and Sikhs in America۔ New York: Oxford University Press۔ ص 100, Quote: "He modified the existing writing systems of his time to create Gurmukhi, the script of the Sikhs; then ..."۔ ISBN:9780198044246۔ اخذ شدہ بتاریخ 2016-11-23 Giorgio Shani (مارچ 2002)۔ "The Territorialization of Identity: Sikh Nationalism in the Diaspora"۔ Studies in Ethnicity and Nationalism۔ ج 2: 11۔ DOI:10.1111/j.1754-9469.2002.tb00014.x Harjeet Singh Gill (1996)۔ Peter T. Daniels؛ William Bright (مدیران)۔ The World's Writing Systems۔ Oxford University Press۔ ص 395۔ ISBN:978-0-19-507993-7
Arvind-Pal S. Mandair؛ Christopher Shackle؛ Gurharpal Singh (16 دسمبر 2013)۔ Sikh Religion, Culture and Ethnicity۔ Routledge۔ ص 13, Quote: "creation of a pothi in distinct Sikh script (Gurmukhi) seem to relate to the immediate religio–political context ..."۔ ISBN:9781136846342۔ اخذ شدہ بتاریخ 2016-11-23 Gurinder Singh Mann؛ Paul Numrich؛ Raymond Williams (2007)۔ Buddhists, Hindus, and Sikhs in America۔ New York: Oxford University Press۔ ص 100, Quote: "He modified the existing writing systems of his time to create Gurmukhi, the script of the Sikhs; then ..."۔ ISBN:9780198044246۔ اخذ شدہ بتاریخ 2016-11-23 Giorgio Shani (مارچ 2002)۔ "The Territorialization of Identity: Sikh Nationalism in the Diaspora"۔ Studies in Ethnicity and Nationalism۔ ج 2: 11۔ DOI:10.1111/j.1754-9469.2002.tb00014.x Harjeet Singh Gill (1996)۔ Peter T. Daniels؛ William Bright (مدیران)۔ The World's Writing Systems۔ Oxford University Press۔ ص 395۔ ISBN:978-0-19-507993-7