Dyfyniad APA

Olson, H. F. (1940). Elements of acoustical engineering. Chapman and Hall.

Dyfyniad Arddull Chicago

Olson, Harry Ferdinand. Elements of Acoustical Engineering. London: Chapman and Hall, 1940.

Dyfyniad MLA

Olson, Harry Ferdinand. Elements of Acoustical Engineering. Chapman and Hall, 1940.

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