edited by Klaus Fiedler
Psychology Press, 2007
Buku Teks
The Free Press, 1972
Buku Teks
edited by Kristine L. Fitch, Robert E. Sanders
Lawrence Erlbaum Associates, 2005
Buku Teks
Miftahul Khairunnisa
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2015
UI - Skripsi Membership
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Buku Teks