edited by Henrika Kuklick
Blackwell Pub, 2008
Buku Teks
Stumpf, Samuel Enoch, 1918-1998, author
McGraw-Hill, 2012
Buku Teks
Scott, Jonathan F., author
Appleton Century Croffs, 1933
Buku Teks
Fried, Morton H., author
Thomas Y. Crowell, 1968
Buku Teks
Lee Cronk, Vaughn M. Bryant
McGraw-Hill, 2000
Buku Teks