Gill, James O., author
PPM, 2002
Buku Teks
Dunn, I. S. (Irving S.), 1923-, author
IKIP Semarang Press, 1992
Buku Teks
Dunn, I. S. (Irving S.), 1923-, author
John Wiley & Sons, 1980
Buku Teks
Parera, Jos Daniel, author
Erlangga, 2009
Buku Teks
Buku Teks