Παραπομπή σε μορφή APA (7η εκδ.)

India. Director of Census Operations, Punjab. (2001). Census of India, 1991. Directorate of Census Operations, Punjab.

Παραπομπή σε μορφή Chicago (17η εκδ.)

India. Director of Census Operations, Punjab. Census of India, 1991. [Punjab]: Directorate of Census Operations, Punjab, 2001.

Παραπομπή σε μορφή MLA (8th εκδ.)

India. Director of Census Operations, Punjab. Census of India, 1991. Directorate of Census Operations, Punjab, 2001.