APA (7e ed.) Bronvermelding

Drakeford, J. (1967). The awesome power of the listening ear. Word Books.

Chicago (17e ed.) Bronvermelding

Drakeford, John. The Awesome Power of the Listening Ear. Texas: Word Books, 1967.

MLA (9e ed.) Bronvermelding

Drakeford, John. The Awesome Power of the Listening Ear. Word Books, 1967.