Henrry T Northen. (1956). The complete book of greenhouse gardening. New York: Ronald Press.
Čikaški stil citiranjaHenrry T Northen. The Complete Book of Greenhouse Gardening. New York: Ronald Press, 1956.
MLA način citiranjaHenrry T Northen. The Complete Book of Greenhouse Gardening. New York: Ronald Press, 1956.
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