Schaefer, Richard T, author
McGraw-Hill, 2009
Buku Teks
Schaefer, Richard T, author
McGraw-Hill, 2011
Buku Teks
Latour, Bruno
Oxford University Press, 2007
Buku Teks
Hunt, Elgin F., author
MacMillan, 1987
Buku Teks
Hunt, Elgin F., author
Macmillan, 1962
Buku Teks