APA aipamena

WARD JOHN. (1984). PROFITABLE PRODUCT MANAGEMENT. HEINEMANN.

Chicago Style aipamena

WARD JOHN. PROFITABLE PRODUCT MANAGEMENT. LONDON: HEINEMANN, 1984.

MLA aipamena

WARD JOHN. PROFITABLE PRODUCT MANAGEMENT. HEINEMANN, 1984.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.