Grimes, Ellen, author
McGraw-Hill, 1978
Buku Teks
Randall, Michael
McGraw-Hill, 1977
Buku Teks
Lowe, G.B., author
South-Western Publishing, 1983
Buku Teks
by Samuel C. Brownstein [and others]
Barron's, 1994
Buku Teks
Francisco, Albert K., author
Addison-Wesley, 1984
Buku Teks