Levin, Gerald, author
Harcourt, Brace & World, 1966
Buku Teks
Mcmahan, Elizabeth
McGraw-Hill, 1984
Buku Teks
Connelly, Mark, author
Wadsworth and Cengage Learning, 2013
Buku Teks
Dietsch, Betty Mattix, author
McGraw-Hill, 2003
Buku Teks
Dietsch, Betty Mattix, author
McGraw-Hill, 2003
Buku Teks