Dyfyniad APA
ebrary, Inc, & Hagy, F. H. (2009). Structural materials and engineering. Nova Science Publishers.
Dyfyniad Arddull Chicago
ebrary, Inc, and Ference H. Hagy. Structural Materials and Engineering. New York: Nova Science Publishers, 2009.
Dyfyniad MLA
ebrary, Inc, and Ference H. Hagy. Structural Materials and Engineering. Nova Science Publishers, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.