APA-referens (7:e uppl.)

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

Chicago-referens (17:e uppl.)

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

MLA-referens (9:e uppl.)

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