Dyfyniad APA

Birnberg, H. G. (1992). New directions in architectural and engineering practice. McGraw-Hill.

Dyfyniad Arddull Chicago

Birnberg, Howard G. New Directions in Architectural and Engineering Practice. New York: McGraw-Hill, 1992.

Dyfyniad MLA

Birnberg, Howard G. New Directions in Architectural and Engineering Practice. McGraw-Hill, 1992.

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