Citazione APA

Aggarwal, M. R., & Mohan, K. (1978). General knowledge digest (29th ed.). S Chand.

Stile di citazione Chicago

Aggarwal, Mani Ram, e K. Mohan. General Knowledge Digest. 29th ed. New Delhi: S Chand, 1978.

Citazione MLA

Aggarwal, Mani Ram, e K. Mohan. General Knowledge Digest. 29th ed. S Chand, 1978.