Chandler, Daniel, author
Routledge , 2007
Buku Teks
Chandler, Daniel, author
Routledge, 2002
Buku Teks
Plummer, Kenneth, author
Rajawali, 2011
Buku Teks
Babbie, Earl, author
Cengage Learning, 2017
Buku Teks
Richardson, Niall, author
Routledge, 2014
Buku Teks