Condon, John C., author
Macmillan, 1977
Buku Teks
Wood, Julia T., 1950-, author
Wadsworth and Cengage Learning, 2013
Buku Teks
Devito, Joseph A., author
Harper & Row Publishers, 1986
Buku Teks
Wood, Julia T., 1950-, author
Salemba Humanika, 2013
Buku Teks
John Stewart, editor
McGraw-Hill, 2012
Buku Teks