Hagin, Frank G., author
Prentica-Hall, 1975
Buku Teks
Zill, Dennis G., author
Prindle, Weber Schmidt, 1986
Buku Teks
Zill, Dennis G., author
Cengage Learning, 2018
Buku Teks
Brauer, Fred, author
W.A. Benjamin, 1967
Buku Teks
Agnew, Ralph Palmer, author
McGraw-Hill, 1160
Buku Teks