Zill, Dennis G., author
Prindle, Weber Schmidt, 1986
Buku Teks
Zill, Dennis G., author
Cengage Learning, 2018
Buku Teks
Hagin, Frank G., author
Prentica-Hall, 1975
Buku Teks
Campbell, Stephen L., author
Wadsworth, 1990
Buku Teks
Farlow, Stanley J., author
McGraw-Hill, 1994
Buku Teks