APA aipamena

Roberts, H. (1965). Intermediate book - keeping exercises. Edaward Arnold.

Chicago Style aipamena

Roberts, H.C. Intermediate Book - Keeping Exercises. London: Edaward Arnold, 1965.

MLA aipamena

Roberts, H.C. Intermediate Book - Keeping Exercises. Edaward Arnold, 1965.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.