Singh, N. K. (2004). Encyclopedia of the world scientists (10 Volumes). APH Publishing Corporation.
Chicago Style aipamenaSingh, Nagendra Kr. Encyclopedia of the World Scientists (10 Volumes). New Delhi: APH Publishing Corporation, 2004.
MLA aipamenaSingh, Nagendra Kr. Encyclopedia of the World Scientists (10 Volumes). APH Publishing Corporation, 2004.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.