Kaligis, O.C. (Otto Cornelis), 1942-, author
Alumni, 2010
Buku Teks
Berry, Michael A.
The Dryden Press , 1990
Buku Teks
John Wiley & Sons, 2012
Buku Teks
Carroll, Dennis, author
Macmillan, 1987
Buku Teks
Bayley, David H.
Oxford University Press, 1994
Buku Teks