Neal, A. Leslie
McGraw-Hill, 1971
Buku Teks
Kroschwitz, Jacqueline I., author
McGraw-Hill, 1990
Buku Teks
Crowe, Jonathan, author
Oxford University Press, 2010
Buku Teks
Biddle, Harry C., author
F. A. Davis, 1959
Buku Referensi
Holum, John R., author
John Wiley & Sons, 1982
Buku Teks