Sharpe, Pamela J.
Barron's Educational Series, 1995
Multimedia
Pyle, Michael A., author
Cliffs, 1995
Multimedia
Artikel Jurnal
Faculty of Languages and Linguistics University of Malaya, 2009
Majalah, Jurnal, Buletin
Nabila Vina Fairuzzahra, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2019
UI - Makalah dan Kertas Kerja