توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

National Committee on the Use of Plastics in Agriculture. (1990). XI International Congress, the Use of Plastics in Agriculture: 26th February–2nd March 1990, New Delhi, India, proceedings. Oxford & IBH Publishing Co..

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

National Committee on the Use of Plastics in Agriculture. XI International Congress, the Use of Plastics in Agriculture: 26th February–2nd March 1990, New Delhi, India, Proceedings. New Delhi: Oxford & IBH Publishing Co., 1990.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

National Committee on the Use of Plastics in Agriculture. XI International Congress, the Use of Plastics in Agriculture: 26th February–2nd March 1990, New Delhi, India, Proceedings. Oxford & IBH Publishing Co., 1990.