Grove, Susan K., author
Elsevier, 2017
Buku Teks
Grove, Susan K., author
Saunders (W.B.) Co Ltd, 2015
Buku Teks
edited by Andrew Booth and Anne Brice
Facet Publishing, 2004
Buku Referensi
Drisko, James W., author
Springer, 2012
eBooks
Saxton, John, Prof.
Routledge, 2011
Buku Teks