Allen, Clark Lee, author
McGraw-Hill, 1954
Buku Teks
Herber, Bernard P., author
Richard D. Irwin, Inc, 1971
Buku Teks
Harris, Cyril M., editor in chief
McGraw-Hill Publishing Company, 1990
Buku Referensi
Tare, Ramkrishna S., author
McGraw-Hill, 1988
Buku Teks
Gwartney, James D.
FL. The Dryden Press, 1995
Buku Teks