Penning de Vries, F., & Laar, H. (1982). Simulation of plant growth and crop production. Centre for Agricultural Publishing and Documentation.
Chicago-viite (17. p.)Penning de Vries, F.W.T, ja H.H.Van Laar. Simulation of Plant Growth and Crop Production. Wageningen: Centre for Agricultural Publishing and Documentation, 1982.
MLA-viite (9. p.)Penning de Vries, F.W.T, ja H.H.Van Laar. Simulation of Plant Growth and Crop Production. Centre for Agricultural Publishing and Documentation, 1982.
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