APA-viite

Vasu,K K, Hemachadran,M M, & Unnikrishnan,R. (1981). Vaidyutha upayoganam: Electrical utilisation. State institute of languages.

Chicago-tyylinen lähdeviittaus

Vasu,K K, Hemachadran,M M, ja Unnikrishnan,R. Vaidyutha Upayoganam: Electrical Utilisation. Thiruvananthapuram: State institute of languages, 1981.

MLA-viite

Vasu,K K, et al. Vaidyutha Upayoganam: Electrical Utilisation. State institute of languages, 1981.