توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

(1992). Plant breeding in the 1990s: Proceedings of the symposium on plant breeding in the 1990s; held at North Carolina State University Raleigh, N.C. March 1991. CAB.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Plant Breeding in the 1990s: Proceedings of the Symposium on Plant Breeding in the 1990s; Held at North Carolina State University Raleigh, N.C. March 1991. Wallingford: CAB, 1992.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Plant Breeding in the 1990s: Proceedings of the Symposium on Plant Breeding in the 1990s; Held at North Carolina State University Raleigh, N.C. March 1991. CAB, 1992.