Não informado. (1970). Horticulture Digest. University of Hawaii at Manoa, Department of Horticulture.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Horticulture Digest. Honolulu, Hawaii: University of Hawaii at Manoa, Department of Horticulture, 1970.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Horticulture Digest. University of Hawaii at Manoa, Department of Horticulture, 1970.
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