Man-Tak Leung; Lee-Ming Tan
Springer, 2018
Buku Teks
Gilmer, B. von Haller (Beverly von Haller), 1909-1994, author
Tata McGraw-Hill, 1994
Buku Teks
North, Adrian C., author
Oxford, 2008
Buku Teks
editor-in-chief Charles D. Spielberger
Hershey, 2004
Buku Teks
Nicolson, Paula, author
MacMillan Education, 1986
Buku Teks