APA (7e ed.) Bronvermelding

Jahn, A. F. (2013). The singer's guide to complete health. Oxford University Press.

Chicago (17e ed.) Bronvermelding

Jahn, Anthony F. The Singer's Guide to Complete Health. New York: Oxford University Press, 2013.

MLA (9e ed.) Bronvermelding

Jahn, Anthony F. The Singer's Guide to Complete Health. Oxford University Press, 2013.