F W T. Penning de Vries. (1989). Simulation of ecophysiological processes of growth in several annual crops: N29. Wageningen: Pudoc.
Chicago-tyylinen lähdeviittausF W T. Penning de Vries. Simulation of Ecophysiological Processes of Growth in Several Annual Crops: N29. Wageningen: Pudoc, 1989.
MLA-viiteF W T. Penning de Vries. Simulation of Ecophysiological Processes of Growth in Several Annual Crops: N29. Wageningen: Pudoc, 1989.
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