Littauer, F. (1997). Personality puzzleFlorence Littauer dan Marita Littauer, penerjemah: Anton Adiwiyoto. Professional Books.
Čikaški stil citiranja (17. izdanje)Littauer, Florence. Personality PuzzleFlorence Littauer Dan Marita Littauer, Penerjemah: Anton Adiwiyoto. Professional Books, 1997.
MLA način citiranja (8. izdanje)Littauer, Florence. Personality PuzzleFlorence Littauer Dan Marita Littauer, Penerjemah: Anton Adiwiyoto. Professional Books, 1997.
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