Παραπομπή APA

Roe, C. G. (1969). Profitable marketing for the smaller company. Directors.

Παραπομπή Chicago Style

Roe, C. Graeme. Profitable Marketing for the Smaller Company. London: Directors, 1969.

Παραπομπή MLA

Roe, C. Graeme. Profitable Marketing for the Smaller Company. Directors, 1969.