Juniator Tulius, author
University of Indonesia, Faculty of Humanities, 2016
Artikel Jurnal
Benet, William Rosa, author
Crowell, 1950
Buku Referensi
Clifford Sather, author
University of Indonesia, Faculty of Humanities, 2016
Artikel Jurnal
Ferris, Lesley
Macmillan, 1990
Buku Teks
Molen, Willem van der, author
University of Indonesia, Faculty of Humanities, 2016
Artikel Jurnal