Lua APA (7ú heag.)
Lee, R. G. (1964). Robert G. Lee's sourcebook of 500 illustrations: For public speakers, ministers, Sunday school teachers. Zondervan.
Lua i Stíl Chicago (17ú heag.)
Lee, Robert Greene. Robert G. Lee's Sourcebook of 500 Illustrations: For Public Speakers, Ministers, Sunday School Teachers. Grand Rapids: Zondervan, 1964.
Lua MLA (9ú heag.)
Lee, Robert Greene. Robert G. Lee's Sourcebook of 500 Illustrations: For Public Speakers, Ministers, Sunday School Teachers. Zondervan, 1964.
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