India. University Grants Commission, Guru Nanak Dev University, Grewal, J. S., & Banga, I. (1981). Studies in urban history. Dept. of History, Guru Nanak Dev University.
Chicago Style aipamenaIndia. University Grants Commission, Guru Nanak Dev University, J. S. Grewal, and India Banga. Studies in Urban History. Amritsar: Dept. of History, Guru Nanak Dev University, 1981.
MLA aipamenaIndia. University Grants Commission, et al. Studies in Urban History. Dept. of History, Guru Nanak Dev University, 1981.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.