APA (7. basım) Alıntı

DUFFY PHILIP G. (1994). BUSINESS TO BUSINESS MARKETING. VISION BOOKS PVT. LTD.

Chicago Style (17. basım) Atıf

DUFFY PHILIP G. BUSINESS TO BUSINESS MARKETING. NEW DELHI: VISION BOOKS PVT. LTD, 1994.

MLA (9th ed.) Atıf

DUFFY PHILIP G. BUSINESS TO BUSINESS MARKETING. VISION BOOKS PVT. LTD, 1994.