APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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