APA-viite

Gupta, V. (2012). Natural products: : research reviews. Daya publishing house.

Chicago-tyylinen lähdeviittaus

Gupta, V.K. Natural Products: : Research Reviews. New Delhi: Daya publishing house, 2012.

MLA-viite

Gupta, V.K. Natural Products: : Research Reviews. Daya publishing house, 2012.