Warren, M. (1997). Sourcebook for modern catechetics. Saint Mary's Press : Christian Brothers Publications.
Cita Chicago Style (17a ed.)Warren, Michael. Sourcebook for Modern Catechetics. Winona, Minn.: Saint Mary's Press : Christian Brothers Publications, 1997.
Cita MLA (9a ed.)Warren, Michael. Sourcebook for Modern Catechetics. Saint Mary's Press : Christian Brothers Publications, 1997.
Precaución: Estas citas no son 100% exactas.