Παραπομπή APA

Garbutt, D. (1967). Planning for profits. Gee & Co.

Παραπομπή Chicago Style

Garbutt, Douglas. Planning for Profits. London: Gee & Co, 1967.

Παραπομπή MLA

Garbutt, Douglas. Planning for Profits. Gee & Co, 1967.