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Henry Holt, 1956
Buku Teks
Sheperd, James F., author
Houghton Miffiln, 1983
Buku Teks
edited by Tim Storrie and James Matson
Cassell , 1991
Buku Teks
Cut Hafitatul Aini, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2008
UI - Tesis (Open)
Fenisa Zahra, author
2016
UI - Skripsi (Membership)