Symposium on Winter Hardiness in Woody Perennials Piikiö, Finland, International Society for Horticultural Science. Section for Fruit, International Society for Horticultural Science. Working Group Winterhardiness in Woody Perrennials, Holubowicz, T., & Säkö, J. (1985). Second Symposium on Winterhardiness in Woody Perennials: Piikiö, Finland, 13-17 August 1984. ISHS].
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Symposium on Winter Hardiness in Woody Perennials Piikiö, Finland, International Society for Horticultural Science. Section for Fruit, International Society for Horticultural Science. Working Group Winterhardiness in Woody Perrennials, T. Holubowicz, và J. Säkö. Second Symposium on Winterhardiness in Woody Perennials: Piikiö, Finland, 13-17 August 1984. [Wageningen, Netherlands: ISHS], 1985.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)Symposium on Winter Hardiness in Woody Perennials Piikiö, Finland, et al. Second Symposium on Winterhardiness in Woody Perennials: Piikiö, Finland, 13-17 August 1984. ISHS], 1985.