APA aipamena

Hadfield, C. (1986). World canals: Inland navigation past and present. Facts on File.

Chicago Style aipamena

Hadfield, Charles. World Canals: Inland Navigation Past and Present. New York, N.Y: Facts on File, 1986.

MLA aipamena

Hadfield, Charles. World Canals: Inland Navigation Past and Present. Facts on File, 1986.