Bernfeld, Stephen R., author
Academic Press, 1974
Buku Teks
Churchill, Ruel V., 1899-1987, author
McGraw-Hill, 1963
Buku Teks
Brown, James Ward, 1934-, author
McGraw-Hill, 2012
Buku Teks
Brown, James Ward, 1934-, author
McGraw-Hill, 2012
Buku Teks
Zill, Dennis G., author
Brooks/Cole & Cengage Learning, 2013
Buku Teks