Laird, Brian B., author
McGraw-Hill, 2009
Buku Teks
Laird, Brian B., author
McGraw-Hill, 2009
Buku Teks
Bailar, John C.
D.C. Heat and Company, 1965
Buku Teks
Kostiner, Edward
Barron's Educational Series Inc. , 1992
Buku Teks
McMurry, John, author
Prentice-Hall, 2008
Buku Teks