APA-viite

Alam Singh & Sharma U S. (1984). Environmental engineering, Current practices Vol 1.

Chicago-tyylinen lähdeviittaus

Alam Singh ja Sharma U S. Environmental Engineering, Current Practices Vol 1. New Delhi, International Book Traders, 1984.

MLA-viite

Alam Singh ja Sharma U S. Environmental Engineering, Current Practices Vol 1. 1984.