Dyfyniad APA

Ruddle, K., & Manshard, W. (1981). Renewable natural resources and the environment: Pressing problems in the developing world. Tycooly International.

Dyfyniad Arddull Chicago

Ruddle, Kenneth, and Walther Manshard. Renewable Natural Resources and the Environment: Pressing Problems in the Developing World. Dublin: Tycooly International, 1981.

Dyfyniad MLA

Ruddle, Kenneth, and Walther Manshard. Renewable Natural Resources and the Environment: Pressing Problems in the Developing World. Tycooly International, 1981.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.