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.
Παραπομπή σε μορφή Chicago (17η εκδ.)International Horticultural Congress Davis, Calif, International Society for Horticultural Science. Section for Fruit, και 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.
Παραπομπή σε μορφή MLA (8th εκδ.)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.