Gaya APA
Littauer, F, L, &, M.
(1997).
Personality Puzzle : Teka Teki Kepribadian
.
Jakarta:
Professional Books.
Gaya MLA
Littauer, Florence, Littauer, &, Marita.
"Personality Puzzle : Teka Teki Kepribadian".
Jakarta:
Professional Books,
1997.
Text.