Merritt, Robert J., 1945-
Currency Press, 1978
Buku Teks
Merrit, Robert J.
Currency Press, 1978
Buku Teks
Matthews, Carole
Little, Brown & Co., 2015
Buku Teks
Ratih Djuwita Sari
Universitas Indonesia, 2007
UI - Skripsi Membership
Fatmah
Gramedia Pustaka Utama, 2013
Buku Teks