APA-ийн эшлэл(7 дахь хэвлэлт)

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

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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

MLA -ийн эшлэл (9 дэх хэвлэлт)

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