Dyfyniad APA

Wass, A. (1977). Methods and material of residential construction (2nd Ed.). Reston.

Dyfyniad Arddull Chicago

Wass, Alonzo. Methods and Material of Residential Construction. 2nd Ed. Virginia: Reston, 1977.

Dyfyniad MLA

Wass, Alonzo. Methods and Material of Residential Construction. 2nd Ed. Reston, 1977.

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