Penning de Vries, F., & Laar, H. (1982). Simulation of plant growth and crop production. Centre for Agricultural Publishing and Documentation.
Lua i Stíl Chicago (17ú heag.)Penning de Vries, F.W.T, agus H.H.Van Laar. Simulation of Plant Growth and Crop Production. Wageningen: Centre for Agricultural Publishing and Documentation, 1982.
Lua MLA (9ú heag.)Penning de Vries, F.W.T, agus H.H.Van Laar. Simulation of Plant Growth and Crop Production. Centre for Agricultural Publishing and Documentation, 1982.
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