Pegrum, Juliet, author
Three Rivers Press, 2000
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Lip, Evelyn, author
Academy Editions, 1995
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Lourin Hertyastiwi, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2013
UI - Makalah dan Kertas Kerja
Lip, Evelyn, author
Times Book International , 1995
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Stephany Efflina, author
Universitas Indonesia, 2009
UI - Skripsi (Open)