Petsko, Gregory A.
Oxford University Press, 2009
Buku Teks
Buxbaum, Engelbert
Springer International Publishing, 2015
eBooks
Daniel J. Rigden
Springer, 2017
Buku Teks
Swisher, Linda
Elsevier Mosby, 2012
Buku Teks SO
Parker, Steve
Dorling Kindersley, 2007
Buku Teks SO