Gaya APA

Crockett, J, U. (1983). The Time-Life Encyclopedia of Gardening: Flowering Shrubs (Cet. 8). Canada: Time-Life Books Inc.

Gaya MLA

Crockett, James, Underwood. "The Time-Life Encyclopedia of Gardening: Flowering Shrubs". Cet. 8 Canada: Time-Life Books Inc, 1983. Text.