HARRISON TONY. (1997). PRODUCT MANAGER`S HANDBOOK. A H WHEELER & CO.
Chicago Style aipamenaHARRISON TONY. PRODUCT MANAGER`S HANDBOOK. NEW DELHI: A H WHEELER & CO, 1997.
MLA aipamenaHARRISON TONY. PRODUCT MANAGER`S HANDBOOK. A H WHEELER & CO, 1997.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.