editors, Helena Guasch, Antoni Ginebreda, Anita Geiszinger
Springer, 2012
eBooks
Michael Wilson ... [et.al.]
Chapman and Hall/CRC, 2002
Buku Teks
Michael P. Weinstein, R. Eugene Turner, editors
[Springer, ], 2012
eBooks
Wortman, Max Sidones, 1932-, editor
Macmillan, 1969
Buku Teks
edited by Malcolm Warner
Business Press, 2000
Buku Referensi