Cita APA (7th ed.)

Grewal, J. (1990). The sikhs of the Punjab. Unive. Pr..

Cita Chicago (17th ed.)

Grewal, J.S. The Sikhs of the Punjab. Cambridge: Unive. Pr., 1990.

Cita MLA (9th ed.)

Grewal, J.S. The Sikhs of the Punjab. Unive. Pr., 1990.

Atenció: Aquestes cites poden no estar 100% correctes.