Westwood, M. N. (1993). Temperate-zone pomology: Physiology and culture (3a. ed.). Timber Press.
Tohutoru Kātū Chicago (17th ed.)Westwood, Melvin Neil. Temperate-zone Pomology: Physiology and Culture. 3a. ed. Portland, USA: Timber Press, 1993.
Tohutoro MLA (9th ed.)Westwood, Melvin Neil. Temperate-zone Pomology: Physiology and Culture. 3a. ed. Timber Press, 1993.
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