APA (7e ed.) Bronvermelding

(1981). The modern age ; The History of the world in christian perspective. A Beka Book.

Chicago (17e ed.) Bronvermelding

The Modern Age ; The History of the World in Christian Perspective. Pensacola, Florida: A Beka Book, 1981.

MLA (9e ed.) Bronvermelding

The Modern Age ; The History of the World in Christian Perspective. A Beka Book, 1981.