International Horticultural Congress Hamburg, Germany, International Society for Horticultural Science, & Lespinasse, Y. (1983). Fruit breeding: 21st International Horticultural Congress, 29 August - 4 September 1982, Hamburg, Fed. Rep. of Germany. International Society for Horticultural Science.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)International Horticultural Congress Hamburg, Germany, International Society for Horticultural Science, و Y. Lespinasse. Fruit Breeding: 21st International Horticultural Congress, 29 August - 4 September 1982, Hamburg, Fed. Rep. of Germany. [Wageningen, Netherlands: International Society for Horticultural Science, 1983.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)International Horticultural Congress Hamburg, Germany, et al. Fruit Breeding: 21st International Horticultural Congress, 29 August - 4 September 1982, Hamburg, Fed. Rep. of Germany. International Society for Horticultural Science, 1983.