Lubis, Andri Maruli Tua
2004
Artikel Jurnal
Faller, Kathleen Coulborn
Columbia University Press, 1988
Buku Referensi
Bagong Suyanto
Airlangga University Press, 2002
Buku Teks
edited by Paul K. Kleinman
Cambridge University Press, 2015
Buku Teks
edited by Gail Elizabeth Wyatt, Gloria Johnson Powell
Sage Publications, 1988
Buku Teks