Jelaskan Rujukan dari Bot tunda dalam bahasa melayu

Jane's Ocean Technology 1979-80 / Jane's Yearbooks, 1979 - ISBN 0-531-03902-1.

On Tugboats: Stories of Work and Life Aboard / Virginia Thorndike - Down East Books, 2004.

Under Tow: A Canadian History of Tugs and Towing / Donal Baird - Vanwell Publishing, 277 p., 2003 - ISBN 1-55125-076-4

Primer of Towing / George H. Reid - Cornell Maritime Press, 1992.

South Park- Episode 83, Russell Crowe Beats people up around the world and has a tugboat as a companion.