Παραπομπή APA

Brady, E. M. (1967). Tugs, towboat and towing. Cornell Maritime Press.

Παραπομπή Chicago Style

Brady, Edward M. Tugs, Towboat and Towing. Cambridge: Cornell Maritime Press, 1967.

Παραπομπή MLA

Brady, Edward M. Tugs, Towboat and Towing. Cornell Maritime Press, 1967.