Dyfyniad APA

Johnson, R. P. (1975). Composite Structures of Steel and Concrete. Crasby Lockwood Staples.

Dyfyniad Arddull Chicago

Johnson, R. P. Composite Structures of Steel and Concrete. London: Crasby Lockwood Staples, 1975.

Dyfyniad MLA

Johnson, R. P. Composite Structures of Steel and Concrete. Crasby Lockwood Staples, 1975.

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