Ruml, Bearsdsley
McGraw-Hill, 1959
Buku Teks
Dodds, Harold W., author
McGraw-Hill, 1962
Buku Teks
Marius, Richard, author
McGraw-Hill, 1988
Buku Teks
Universitas Indonesia, [date of publication not identified]
Buku Referensi
Antonoff, Steven R., author
Octameron Associates, 2003
Buku Teks