Pinney, William E., author
Harper & Row, 1982
Buku Teks
King, William Richard, 1938-, author
McGraw-Hill, 1967
Buku Teks
Day, R.A., author
Prentice-Hall, 1977
Buku Teks
Day, R.A., author
Prentice-Hall, 1958
Buku Teks
Day, R.A., author
Prentice-Hall, 1991
Buku Teks