Dyfyniad APA

Smith, R. C. (1986). Principles and practices of light construction (4th Ed.). Cliffs.

Dyfyniad Arddull Chicago

Smith, Ronald C. Principles and Practices of Light Construction. 4th Ed. Englewood: Cliffs, 1986.

Dyfyniad MLA

Smith, Ronald C. Principles and Practices of Light Construction. 4th Ed. Cliffs, 1986.

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