توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

National Seminar on Petrochemicals Karachi, Pakistan, & Pakistan Institute of Chemical Engineers. (1981). National Seminar on Petrochemicals, April 12 & 13, 1981, Karachi. The Institute.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

National Seminar on Petrochemicals Karachi, Pakistan, و Pakistan Institute of Chemical Engineers. National Seminar on Petrochemicals, April 12 & 13, 1981, Karachi. Karachi: The Institute, 1981.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

National Seminar on Petrochemicals Karachi, Pakistan, و Pakistan Institute of Chemical Engineers. National Seminar on Petrochemicals, April 12 & 13, 1981, Karachi. The Institute, 1981.