Tame, Jeremy R. H., author
Springer Singapore, 2019
eBooks
Glassman, William E., author
Open University Press, 2004
Buku Teks
Shrodes, Caroline, author
Macmillan, 1967
Buku Teks
Erwin, Phil, author
Psychology Press, 2001
Buku Teks
Oskamp, Stuart, author
Lawrence Erlbaum , 2005
Buku Teks