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.
Lua i Stíl Chicago (17ú heag.)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, agus 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.
Lua MLA (8ú heag.)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.