Eckschlager, Karel, author
Ghalia Indonesia, 1984
Buku Teks
by Robert L. Pecsok [and others]
John Wiley & Sons, 1978
Buku Teks
Kenkel, John, author
Lewis, 1994
Buku Teks
Interscience Publishers, 1961
Buku Teks
Kennedy, John H., author
Saunders College, 1990
Buku Teks