Dyfyniad APA

Bigham, T. C. (1952). Transportation, principles and problems (2nd ed.). McGraw-Hill.

Dyfyniad Arddull Chicago

Bigham, Truman Cicero. Transportation, Principles and Problems. 2nd ed. New York: McGraw-Hill, 1952.

Dyfyniad MLA

Bigham, Truman Cicero. Transportation, Principles and Problems. 2nd ed. McGraw-Hill, 1952.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.