Dyfyniad APA

Hensher, D. A. (1977). Value of business travel time. Pergamon Press.

Dyfyniad Arddull Chicago

Hensher, David A. Value of Business Travel Time. Oxford: Pergamon Press, 1977.

Dyfyniad MLA

Hensher, David A. Value of Business Travel Time. Pergamon Press, 1977.

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