APA-viite

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

Chicago-tyylinen lähdeviittaus

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

MLA-viite

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