Grewal, J. S. (1991). The Sikhs of the Punjab (Second edition.). Cambridge University Press.
Cita Chicago (17th ed.)Grewal, J. S. The Sikhs of the Punjab. Second edition. Cambridge [England] ; New York: Cambridge University Press, 1991.
Cita MLA (8th ed.)Grewal, J. S. The Sikhs of the Punjab. Second edition. Cambridge University Press, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.