Dyfyniad APA

Goodman, A. S. (2006). Infrastructure planning handbook: Planning, engineering, and economics. New York: McGraw-Hill.

Dyfyniad Arddull Chicago

Goodman, Alvin S. Infrastructure Planning Handbook: Planning, Engineering, and Economics. New York: McGraw-Hill, 2006.

Dyfyniad MLA

Goodman, Alvin S. Infrastructure Planning Handbook: Planning, Engineering, and Economics. New York: McGraw-Hill, 2006.

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