Shapiro, Alan C., author
Prentice-Hall, 1994
Buku Teks
Nobes, C.W., author
Philip Allan/St. Martin Press, 1988
Buku Teks
Shapiro, Alan C., author
Prentice-Hall, 1998
Buku Teks
Rien T. Segers, editor
Springer International Publishing, 2016
eBooks
Globerman, Steven
Prentince-Hall, 1986
Buku Teks