White, Thomas Y
Prentice-Hall, 1988
Buku Teks
White, Thomas I.
NJ John Wiley & Sons,, 2017
Buku Teks
Cahn, Edmond
Indiana University Press, 1981
Buku Teks
Robbins, Harvey.
Berrett-Koehler, 2000
Buku Teks
C. A. J. Coady
Blackwell Publishing, 2006
Buku Teks