Ostrowski, Christopher
McGraw-HIll, 2005
Buku Teks
Wenni Indriani
2012
UI - Skripsi (Open)
Medinilla, Angel, editor
[, Springer-Verlag], 2012
eBooks
Morrison, Joline
Course Technology, 1998
Buku Teks
Atwood, Margaret
McClelland and Stewart, 1976
Buku Teks