edited by Norman Kent
Watson-Guptill, 1955
Buku Teks
Newman, Aaron J., author
Sage, 2019
Buku Teks
Majoros, William H., author
Cambridge University Press, 2007
Buku Teks
edited by John A.D. Appleby, David C. Edelman, John J.H. Miler
Chapman & Hall/CRC , 2008
Buku Teks
Bretschneider, Franklin, author
Elsevier, 2006
Buku Teks