Brown, Thomas H.
Erlangga, 1988
Buku Teks
Fogel, Alan, author
West Publishing, 1984
Buku Teks
Wenar, Charles, 1922-, author
McGraw-Hill , 1994
Buku Teks
Kerig, Patricia K., author
McGraw-Hill, 2012
Buku Teks
Wenar, Charles, 1922-, author
McGraw-Hill, 2000
Buku Teks