246111 Keulen, H. v. (1975). Simulation of water use and herbage growth in arid regions. Wageningen : Centre for Agricultural Pub & Documentation.
Čikaški stil citiranja (17. izdanje)246111 Keulen, H. van. Simulation of Water Use and Herbage Growth in Arid Regions. Wageningen : Centre for Agricultural Pub & Documentation, 1975.
MLA način citiranja (9. izdanje)246111 Keulen, H. van. Simulation of Water Use and Herbage Growth in Arid Regions. Wageningen : Centre for Agricultural Pub & Documentation, 1975.
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