Cambridge University Press, 2020
eBooks
Lips, Hilary M., author
McGraw-Hill, 2003
Buku Teks
Crawford, Mary (Mary E.), author
McGraw-Hill, 2000
Buku Teks
Unger, Rhoda Kesler, author
McGraw-Hill, Inc, 1992
Buku Teks
Herliawati Agus Prihatin, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2013
UI - Tesis (Membership)