Dyfyniad APA

Cohn, L. F., & McVoy, G. R. (1982). Environmental analysis of transportation systems. John Wiley & Sons.

Dyfyniad Arddull Chicago

Cohn, Louis F., and Gary R. McVoy. Environmental Analysis of Transportation Systems. Nueva York: John Wiley & Sons, 1982.

Dyfyniad MLA

Cohn, Louis F., and Gary R. McVoy. Environmental Analysis of Transportation Systems. John Wiley & Sons, 1982.

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