Παραπομπή APA

Gubbins, E. J. (1986). The shipping industry: The technology and economics of specialisation. New York: Gordon and Breach Science Publishers.

Παραπομπή Chicago Style

Gubbins, Edmund J. The Shipping Industry: The Technology and Economics of Specialisation. New York: Gordon and Breach Science Publishers, 1986.

Παραπομπή MLA

Gubbins, Edmund J. The Shipping Industry: The Technology and Economics of Specialisation. New York: Gordon and Breach Science Publishers, 1986.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.