APA-čujuhus (7. p.)
Richards, L. O. (1973). 69 ways to start a study group and keep it growing. Zondervan Pub. House.
Chicago-čujuhus (17. p.)
Richards, Lawrence O. 69 Ways to Start a Study Group and Keep It Growing. Grand Rapids: Zondervan Pub. House, 1973.
MLA-čujuhus (9. p.)
Richards, Lawrence O. 69 Ways to Start a Study Group and Keep It Growing. Zondervan Pub. House, 1973.
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