Hornback, F. M. (1934). Leadership manual for adult study groups. St. Anthony guild press, Franciscan monastery.
Cita Chicago (17th ed.)Hornback, Florence Mary. Leadership Manual for Adult Study Groups. Paterson, N.J: St. Anthony guild press, Franciscan monastery, 1934.
Cita MLA (9th ed.)Hornback, Florence Mary. Leadership Manual for Adult Study Groups. St. Anthony guild press, Franciscan monastery, 1934.
Atenció: Aquestes cites poden no estar 100% correctes.