Citazione Stile APA (7a Edizione)

Hixon, T. J. (2006). Respiratory function in singing: A primer for singers and singing teachers. Redington Brown.

Citazione stile Chigago Style (17a edizione)

Hixon, Thomas J. Respiratory Function in Singing: A Primer for Singers and Singing Teachers. Tucson, Ariz.: Redington Brown, 2006.

Citatione MLA (9a ed.)

Hixon, Thomas J. Respiratory Function in Singing: A Primer for Singers and Singing Teachers. Redington Brown, 2006.