International Symposium on Growth Regulators in Fruit Production Penticton, B.C., International Society for Horticultural Science. Working Group on Growth Regulators in Fruit Production, International Society for Horticultural Science. Section for Fruit, Luckwill, L. C., & Powell, L. E. (1988). Sixth International Symposium on Growth Regulators in Fruit Production: Penticton, B. C., Canada, July 25-29, 1988. International Society for Horticultural Science.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)International Symposium on Growth Regulators in Fruit Production Penticton, B.C., International Society for Horticultural Science. Working Group on Growth Regulators in Fruit Production, International Society for Horticultural Science. Section for Fruit, Leonard C. Luckwill, và L. E. Powell. Sixth International Symposium on Growth Regulators in Fruit Production: Penticton, B. C., Canada, July 25-29, 1988. [The Hague]: International Society for Horticultural Science, 1988.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)International Symposium on Growth Regulators in Fruit Production Penticton, B.C., et al. Sixth International Symposium on Growth Regulators in Fruit Production: Penticton, B. C., Canada, July 25-29, 1988. International Society for Horticultural Science, 1988.