Publication manual of the American Psychological Association
American Psychological Association, 2001
 Buku Teks SO
Publication manual of the American psychological association
American Psychological Association, 1990
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Publication manual of the American Psychological Association : the official guide to APA style
American Psychological Association, 2020
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Publication manual of the American Psychological Association : the official guide to APA style
American Psychological Association, 2020
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Publication manual of the American psychological association
American Psychological Association, 1987
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