Blake, Susan
Blacstone Press, 1996
Buku Teks
Kartika Putri, author
Universitas Indonesia, 2012
UI - Skripsi (Open)
Smith, Tara, 1961-, author
Cambrigde University Press , 2015
Buku Teks
Smith, Tara, 1961-, author
Cambridge University Press, 2015
eBooks
Miller, Edwin L., author
John Wiley & Sons, 2008
Buku Teks