Compesi, Ronald J.
Allyn and Bacon, 1994
Buku Teks
Compesi, Ronald J.
Allyn and Bacon, 1994
Buku Teks
Halimatu Sya`diah, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2003
UI - Skripsi (Membership)
Christensen, Lena, author
Routledge, 2008
Buku Teks
Trundle, Eugene
Gramedia, 1994
Buku Teks