Lawrwncw Erlbaum Associates, Inc, 2005
Buku Teks
edited by Susan E. Israel, Gerald G. Duffy
Routledge, 2009
Buku Referensi
Heredia, Roberto R
Springer International Publishing, 2016
eBooks
McGillivray, James H.
American Book, 1960
Buku Teks
Grellet, Francoise
Cambridge University Press, 1994
Buku Referensi