Cita APA (7th ed.)
Richards, L. (1973). 99 ways to start a study group and keep it growing. Zondervan Pub. House.
Cita Chicago (17th ed.)
Richards, Larry. 99 Ways to Start a Study Group and Keep It Growing. Grand Rapids, Mich.: Zondervan Pub. House, 1973.
Cita MLA (9th ed.)
Richards, Larry. 99 Ways to Start a Study Group and Keep It Growing. Zondervan Pub. House, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.