APA-viite

Repetto, R. (1991). Global possible: Resources, development and the new century.

Chicago-tyylinen lähdeviittaus

Repetto, Robert. Global Possible: Resources, Development and the New Century. Affiliated East-West Press Pvt. Ltd., Madras, 1991.

MLA-viite

Repetto, Robert. Global Possible: Resources, Development and the New Century. 1991.