International Horticultural Congress Davis, Calif, International Society for Horticultural Science. Section for Fruit, & Kliewer, W. M. (1987). Symposium on grapevine canopy and vigor management: 22nd International Horticultural Congress, Davis, California, USA, August 18, 1986. ISHS, Section for Fruits : Winegrowers of California.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)International Horticultural Congress Davis, Calif, International Society for Horticultural Science. Section for Fruit, و W. M. Kliewer. Symposium on Grapevine Canopy and Vigor Management: 22nd International Horticultural Congress, Davis, California, USA, August 18, 1986. Wageningen, Netherlands: ISHS, Section for Fruits : Winegrowers of California, 1987.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)International Horticultural Congress Davis, Calif, et al. Symposium on Grapevine Canopy and Vigor Management: 22nd International Horticultural Congress, Davis, California, USA, August 18, 1986. ISHS, Section for Fruits : Winegrowers of California, 1987.