توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Singh, O. P. (1976). Surat and its trade in the second half of the 17th century. Publication Division, University of Delhi.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Singh, O. P. Surat and Its Trade in the Second Half of the 17th Century. Delhi: Publication Division, University of Delhi, 1976.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Singh, O. P. Surat and Its Trade in the Second Half of the 17th Century. Publication Division, University of Delhi, 1976.