Marshall, George R., author
Prentice-Hall, 1987
Buku Teks
Hill, Francis S., author
Macmillan, 1990
Buku Teks
Hearn, Donald, author
Prentice-Hall, 1986
Buku Teks
Teicholz, Eric, author
Prentice-Hall, 1983
Buku Teks
Harrington, Steven, author
McGraw-Hill, 1983
Buku Teks