APA-viite

Chopra, S., & Kanwar, J. (1959). Practical Agricultural Chemistry. S.Chand & company.

Chicago-tyylinen lähdeviittaus

Chopra, S.L, ja J.S Kanwar. Practical Agricultural Chemistry. Delhi: S.Chand & company, 1959.

MLA-viite

Chopra, S.L, ja J.S Kanwar. Practical Agricultural Chemistry. S.Chand & company, 1959.