APA (7. basım) Alıntı

PARSON'S W J. (1982). IMPROVING PURCHASING PERFORMANCE. GOWER.

Chicago Style (17. basım) Atıf

PARSON'S W J. IMPROVING PURCHASING PERFORMANCE. ENGLAND: GOWER, 1982.

MLA (9th ed.) Atıf

PARSON'S W J. IMPROVING PURCHASING PERFORMANCE. GOWER, 1982.