Gaya APA

Allen, O, E. (1978). The Time-Life Encyclopedia of Gardening: Prunting and Grafting (Cet. 1). Canada: Time-Life Books Inc.

Gaya MLA

Allen, Oliver, E.. "The Time-Life Encyclopedia of Gardening: Prunting and Grafting". Cet. 1 Canada: Time-Life Books Inc, 1978. Text.