Παραπομπή APA

Lancaster, G., & Massingham, L. (1988). Essentials of marketing: Text and cases. McGraw Hill.

Παραπομπή Chicago Style

Lancaster, Geoffrey, και Lester Massingham. Essentials of Marketing: Text and Cases. London: McGraw Hill, 1988.

Παραπομπή MLA

Lancaster, Geoffrey, και Lester Massingham. Essentials of Marketing: Text and Cases. McGraw Hill, 1988.