Gaya APA
Swanson, C, P., Bondan, I, S. (NULL).
Nondirective model marshaweil, bruce joyce, bridget kluwin .
Jakarta::
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Gaya MLA
Swanson, Carl, P.., Bondan, I., Soedharto,.
"Nondirective model marshaweil, bruce joyce, bridget kluwin".
Jakarta::
,
NULL.
Text.