Burke, Robert E, author
Jones and Bartlett Publishers , 2011
Buku Teks
Perrin, Karen M., author
Jones & Bartlett Learning, 2016
Buku Teks
Edberg, Mark Cameron, 1955-, author
Jones & Bartlett Learning, 2015
Buku Teks
Edberg, Mark Cameron, 1955-, author
Jones and Bartlett, 2007
Buku Teks
edited by Chloe Sellwood, Andy Wapling
MA CABI, 2016
Buku Teks