APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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