Lorna Weir, Eric Mykhalovskiy.
Routledge, 2010
Buku Teks
edited by David Fairman, Diana Chigas, Elizabeth McClintock and Nick Drager
Springer, 2012
eBooks
UNISA Press, 2005
Buku Teks
Birn, Anne-Emanuelle, author
Oxford University Press, 2017
eBooks
Skolnik, Richard, author
MA Jones & Bartlett Learning, 2021
Buku Teks