APA (7e ed.) Bronvermelding

Ramm, B. (1953). Types of apologetic systems: An introductory study to the Christian philosophy of religion. Van Kampen.

Chicago (17e ed.) Bronvermelding

Ramm, Bernard. Types of Apologetic Systems: An Introductory Study to the Christian Philosophy of Religion. Wheaton: Van Kampen, 1953.

MLA (9e ed.) Bronvermelding

Ramm, Bernard. Types of Apologetic Systems: An Introductory Study to the Christian Philosophy of Religion. Van Kampen, 1953.