Παραπομπή APA

Walker, O. C., & Boyd, H. W. L. (1995). Marketing strategy: Planning and implementation. Irwin.

Παραπομπή Chicago Style

Walker, Orville C., και Harper W. Larreche Boyd. Marketing Strategy: Planning and Implementation. Chicago: Irwin, 1995.

Παραπομπή MLA

Walker, Orville C., και Harper W. Larreche Boyd. Marketing Strategy: Planning and Implementation. Irwin, 1995.