Rossman, Mark H.
SAGE Publ., 1995
Buku Teks
Stone, Michael, author
Cambridge University Press, 2010
Buku Teks
Habson, 1986
Buku Teks
Donna L. Gruol, Noriyuki Koibuchi, Mario Manto, Marco Molinari, Jeremy D. Schmahmann, Ying Shen, editors
Springer International Publishing, 2016
eBooks
Churchill Livingstone, 2003
Buku Teks