Gaya APA

Crockett, J, U. (1979). The Time-Life Encyclopedia of Gardening: Annuals (Cet. 6). Canada: Time-Life Books Inc.

Gaya MLA

Crockett, James, Underwood. "The Time-Life Encyclopedia of Gardening: Annuals". Cet. 6 Canada: Time-Life Books Inc, 1979. Text.