Ruddle, K., & Manshard, W. (1981). Renewable natural resources and the environment: Pressing problems in the developing world (1. ed.). Tycooly.
Chicago-Zitierstil (17. Ausg.)Ruddle, Kenneth, und Walther Manshard. Renewable Natural Resources and the Environment: Pressing Problems in the Developing World. 1. ed. Dublin: Tycooly, 1981.
MLA-Zitierstil (9. Ausg.)Ruddle, Kenneth, und Walther Manshard. Renewable Natural Resources and the Environment: Pressing Problems in the Developing World. 1. ed. Tycooly, 1981.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.