Musselman, Vernon A., author
Prentice Hall of India, 1982
Buku Teks
Musselman, Vernon A., author
Prentice-Hall, 1977
Buku Teks
Lavine, A. Lincoln
Prentice-Hall, 1964
Buku Teks
Twomey, David P., author
Thomson Learning, 2002
Buku Teks
Lavine, A. Lincoln
Prentice-Hall, 1963
Buku Teks