Routledge, 1997
Buku Teks
Gestwicki, Carol, author
Wadsworth and Cengage Learning, 2013
Buku Teks
Foskett, Nicholas, author
Routledge, 2001
Buku Teks
Ninette Putri Mustika, author
2017
UI - Skripsi (Membership)
Tuti Budirahayu, author
1998
UI - Tesis (Membership)