Παραπομπή APA

Winkler, J. (1970). Marketing for the developing company. Hutchinson.

Παραπομπή Chicago Style

Winkler, John. Marketing for the Developing Company. London: Hutchinson, 1970.

Παραπομπή MLA

Winkler, John. Marketing for the Developing Company. Hutchinson, 1970.