Dyfyniad APA

De Chiara, J., & Callender, J. H. (1990). Time-saver standards for building types (3rd ed.). McGraw-Hill.

Dyfyniad Arddull Chicago

De Chiara, Joseph, and John Hancock Callender. Time-saver Standards for Building Types. 3rd ed. New York: McGraw-Hill, 1990.

Dyfyniad MLA

De Chiara, Joseph, and John Hancock Callender. Time-saver Standards for Building Types. 3rd ed. McGraw-Hill, 1990.

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