Dyfyniad APA

De Chiara, J., & Koppelman, L. (1984). Time-saver standards for site planning. McGraw-Hill.

Dyfyniad Arddull Chicago

De Chiara, Joseph, and Lee Koppelman. Time-saver Standards for Site Planning. New York: McGraw-Hill, 1984.

Dyfyniad MLA

De Chiara, Joseph, and Lee Koppelman. Time-saver Standards for Site Planning. McGraw-Hill, 1984.

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