Blair, Roger D., author
McGraw-Hill, 1987
Buku Teks
Blair, Roger D., author
McGraw-Hill, 1987
Buku Teks
DeCoster, Don T., author
Melville Publishing Company, 1974
Buku Teks
Keat, Paul G, author
Pearson Education International, 2003
Buku Teks
Killough, Larry N., author
Dickenson Publishing, 1977
Buku Teks