APA (7. basım) Alıntı

DOUGLAS G. (1983). SYSTEMATIC NEW PRODUCT DEVELOPMENT (2ND.). GOWER.

Chicago Style (17. basım) Atıf

DOUGLAS G. SYSTEMATIC NEW PRODUCT DEVELOPMENT. 2ND. ENGLAND: GOWER, 1983.

MLA (9th ed.) Atıf

DOUGLAS G. SYSTEMATIC NEW PRODUCT DEVELOPMENT. 2ND. GOWER, 1983.