APA aipamena

Sinha,Girija Kumar. (1972). Black gold and friendship. Rose Publications.

Chicago Style aipamena

Sinha,Girija Kumar. Black Gold and Friendship. New Delhi: Rose Publications, 1972.

MLA aipamena

Sinha,Girija Kumar. Black Gold and Friendship. Rose Publications, 1972.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.