edited by David Baker and Wendy Evans
Emerald, 2017
eBooks
by Tom Kwanya, Christine Stilwell and Peter G. Underwood
Chandos, 2015
eBooks
Stern, David
Chandos, 2013
eBooks
Sanjay Kataria; B.S. Nigam; Rama Kant Shukla, editor
KBD Publications, 2009
Buku Teks
Shera, Jesse H.
Archon Books, 1965
Buku Referensi