Chance, Don M., author
Thomson, 2008
Buku Teks
Chance, Don M., author
South-Western Cengage Learning, 2013
Buku Teks
Ayoub, Sherif
Edinburgh University Press, 2014
Buku Teks
edited by Niklas Wagner
CRC Press, Taylor & Francis Group, 2008
Buku Teks
Mangiero, Susan M., author
John Wiley & Sons, 2005
Buku Teks