(1988). Advances in nitrogen cycling in agricultural ecosystems: Proceedings of the symposium on advances in nitrogen cycling in agricultural ecosystems held in Brisbane, Australia, 11-15th May, 1987 . C.A.B. International.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Advances in Nitrogen Cycling in Agricultural Ecosystems: Proceedings of the Symposium on Advances in Nitrogen Cycling in Agricultural Ecosystems Held in Brisbane, Australia, 11-15th May, 1987 . Wallingford: C.A.B. International, 1988.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Advances in Nitrogen Cycling in Agricultural Ecosystems: Proceedings of the Symposium on Advances in Nitrogen Cycling in Agricultural Ecosystems Held in Brisbane, Australia, 11-15th May, 1987 . C.A.B. International, 1988.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.