Steinhauer, Hein
Faculty of Humanities University of Indonesia, 2011
Artikel Jurnal
Chang Liu
New York : Routledge , 2007
Buku Teks
Farrell, Jane
J.B. Lippincott, 1986
Buku Teks
Charle, Suzanne
Collins, 1990
Buku Referensi
Cohen, Barbara Janson
Wolters Kluwer, 2008
Buku Teks