APA استشهاد

Buurman, R. (1975). Exercises in marketing: Projects and case studies. Cassell and Co.

استشهاد بنمط شيكاغو

Buurman, R.H. Exercises in Marketing: Projects and Case Studies. London: Cassell and Co, 1975.

MLA استشهاد

Buurman, R.H. Exercises in Marketing: Projects and Case Studies. Cassell and Co, 1975.