Παραπομπή APA

Aucamp, J. (1971). Effective use of market research. Staples Press.

Παραπομπή Chicago Style

Aucamp, Johan. Effective Use of Market Research. London: Staples Press, 1971.

Παραπομπή MLA

Aucamp, Johan. Effective Use of Market Research. Staples Press, 1971.