APA-referens (7:e uppl.)

Grewal, J. S. (1991). The Sikhs of the Punjab (Second edition.). Cambridge University Press.

Chicago-referens (17:e uppl.)

Grewal, J. S. The Sikhs of the Punjab. Second edition. Cambridge [England] ; New York: Cambridge University Press, 1991.

MLA-referens (8:e uppl.)

Grewal, J. S. The Sikhs of the Punjab. Second edition. Cambridge University Press, 1991.