Citazione Stile APA (7a Edizione)

Ruddle, K., & Manshard, W. (1981). Renewable natural resources and the environment: Pressing problems in the developing world. Published for the United Nations University by Tycooly International Pub.

Citazione stile Chigago Style (17a edizione)

Ruddle, Kenneth, e Walther Manshard. Renewable Natural Resources and the Environment: Pressing Problems in the Developing World. Dublin: Published for the United Nations University by Tycooly International Pub, 1981.

Citatione MLA (9a ed.)

Ruddle, Kenneth, e Walther Manshard. Renewable Natural Resources and the Environment: Pressing Problems in the Developing World. Published for the United Nations University by Tycooly International Pub, 1981.