Benoyendra Sengupta. (1975). Guide to colon classification practical. Metropolitan Book.
Chicago Style aipamenaBenoyendra Sengupta. Guide to Colon Classification Practical. London: Metropolitan Book, 1975.
MLA aipamenaBenoyendra Sengupta. Guide to Colon Classification Practical. Metropolitan Book, 1975.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.