APA aipamena

Classon, B. D. (1968). COMMERCIAL CREDIT AND COLLECTION GUIDE. PRENTICE-HALL.

Chicago Style aipamena

Classon, Bruce D. COMMERCIAL CREDIT AND COLLECTION GUIDE. PRENTICE-HALL, 1968.

MLA aipamena

Classon, Bruce D. COMMERCIAL CREDIT AND COLLECTION GUIDE. PRENTICE-HALL, 1968.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.