Styl cytowania APA

Fair, M. L., & Williams, E. W. (1959). Economics of transportation. Harper.

Styl cytowania Chicago

Fair, Marvine L., i Earnest W. Williams. Economics of Transportation. New York: Harper, 1959.

Styl cytowania MLA

Fair, Marvine L., i Earnest W. Williams. Economics of Transportation. Harper, 1959.