Akin, J.E., author
Academic Press, 1994
Buku Teks
Goodman, Seymour E., author
McGraw-Hill Kogakusha, 1977
Buku Teks
Balanis, Constantine A., 1938-, author
Harper & Row, 1997
Buku Teks
Kendall, Kenneth E., author
Pearson, 2005
Buku Teks
Balanis, Constantine A., 1938-, author
Buku Teks