APA (7e ed.) Bronvermelding

Heller, R., & Goodell, W. (1949). Let voices ring. Hall & McCreary.

Chicago (17e ed.) Bronvermelding

Heller, Ruth.,comp, en Walter.,comp Goodell. Let Voices Ring. Chicago: Hall & McCreary, 1949.

MLA (9e ed.) Bronvermelding

Heller, Ruth.,comp, en Walter.,comp Goodell. Let Voices Ring. Hall & McCreary, 1949.