edited by Stefan G. Hofman and Joel Weinberger
Routledge, 2007
Buku Teks
Case, Caroline, author
Routledge, 2005
Buku Teks
Nahavandi, Afsaneh, author
Pearson/Prentice Hall, 2009
Buku Teks
Riehl-Sisca, Joan
Appleton-Century-Crofts, 1985
Buku Teks
Skeet, Muriel, author
Churchill Livingstone , 1980
Buku Teks