Gaya APA

Crockett, J, U. (1983). The Time-Life Encyclopedia of Gardening: Greenshouse Gardening (Cet. 2). Canada: Time-Life Books Inc.

Gaya MLA

Crockett, James, Underwood. "The Time-Life Encyclopedia of Gardening: Greenshouse Gardening". Cet. 2 Canada: Time-Life Books Inc, 1983. Text.