WILLSON, M. F. (1983). Plant Reproductive Ecology / Mary F. Willson. John Wiley & Sons.
Lua i Stíl Chicago (17ú heag.)WILLSON, Mary F. Plant Reproductive Ecology / Mary F. Willson. John Wiley & Sons, 1983.
Lua MLA (8ú heag.)WILLSON, Mary F. Plant Reproductive Ecology / Mary F. Willson. John Wiley & Sons, 1983.
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