Dyfyniad APA

ebrary, Inc, Abagnali, V., & Fabbri, G. (2012). Sound waves: Propagation, frequencies and effects. Nova Science Publishers.

Dyfyniad Arddull Chicago

ebrary, Inc, Vitale Abagnali, and Giampaolo Fabbri. Sound Waves: Propagation, Frequencies and Effects. Hauppauge, N.Y.: Nova Science Publishers, 2012.

Dyfyniad MLA

ebrary, Inc, et al. Sound Waves: Propagation, Frequencies and Effects. Nova Science Publishers, 2012.

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