Citazione Stile APA (7a Edizione)

Swann, M. (1956). An approach to choral speech (3rd ed.). Macmillan.

Citazione stile Chigago Style (17a edizione)

Swann, Mona. An Approach to Choral Speech. 3rd ed. London: Macmillan, 1956.

Citatione MLA (8a ed.)

Swann, Mona. An Approach to Choral Speech. 3rd ed. Macmillan, 1956.