Cita APA (7th ed.)
Graham, B. (1981). The Billy Graham Christian worker's handbook. World Wide Publications.
Cita Chicago (17th ed.)
Graham, Billy. The Billy Graham Christian Worker's Handbook. Minneapolis, Minn.: World Wide Publications, 1981.
Cita MLA (9th ed.)
Graham, Billy. The Billy Graham Christian Worker's Handbook. World Wide Publications, 1981.
Atenció: Aquestes cites poden no estar 100% correctes.