Dyfyniad APA

Ayers, C. (1975). Specifications: For architecture, engineering and construction. McGraw-Hill.

Dyfyniad Arddull Chicago

Ayers, Chesley. Specifications: For Architecture, Engineering and Construction. New York: McGraw-Hill, 1975.

Dyfyniad MLA

Ayers, Chesley. Specifications: For Architecture, Engineering and Construction. McGraw-Hill, 1975.

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