Dyfyniad APA

Hothersall, D. C., & Salter, R. J. (1977). Transport and the Environment. Crosby Lockwood Staples.

Dyfyniad Arddull Chicago

Hothersall, David. C., and Richard. J. Salter. Transport and the Environment. London: Crosby Lockwood Staples, 1977.

Dyfyniad MLA

Hothersall, David. C., and Richard. J. Salter. Transport and the Environment. Crosby Lockwood Staples, 1977.

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