Megginson, David
Kogan Page, 1999
Buku Teks
Desimone, Randy L.
South Western Cengage Learning, 2012
Buku Teks
Koike, Kazuo
The Japan Institute of Labour , 1997
Buku Teks
Yeh, Stephen H.K.
UNESCO, 1990
Buku Teks
Harbison, Frederick Harris
International Institute for Educational Planning Unesco , 1967
Buku Teks