Weisberger, Lauren, 1977-
Broadway Books, 2004
Buku Teks
Weisberger, Lauren, 1977-
Anchor Books, 2003
Buku Teks
Diko Rinaldo
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2012
UI - Skripsi Open
Woon, Walter C.M.
Marshall Cavendish, 2010
Buku Teks
Woon, Walter C.M.
Marshall Cavendish Editions, 2010
Buku Teks