Dewi Anggraeni, author
Faculty of Humanities University of Indonesia, 2011
Artikel Jurnal
Rivers, Wilga M., author
Cambridge University Press, 1985
Buku Teks
Antoinette Schapper, author
University of Indonesia, Faculty of Humanities, 2012
Artikel Jurnal
Wendover, Robert W., author
American Management Association, 2006
eBooks
Universitas Indonesia, 2012
UI - Skripsi (Open)