APA-viite

Chopra, R. N. (1958). Chopra`s indigenous drugs of India. U N Dhur and Sons.

Chicago-tyylinen lähdeviittaus

Chopra, R N. Chopra`s Indigenous Drugs of India. Calcutta: U N Dhur and Sons, 1958.

MLA-viite

Chopra, R N. Chopra`s Indigenous Drugs of India. U N Dhur and Sons, 1958.