Guoqi, Xu
Oxford University Press, 2017
eBooks
Fleischman, Richard
L'Arcaedizioni, 1996
Buku Teks
edited by Lauren B. Resnick, John M. Levine, and Stephanie D. Teasley
American Psychological Association, 1991
Buku Teks
A. Shukor Rahman
A. Shukor Rahman, T.th.
Buku Teks
G20 Seoul Sumit 2010, 2010
Majalah, Jurnal, Buletin