Chandler, Nick, author
International Engineering Consortium, 2006
eBooks
International Engineering Consortium
International Engineering Consortium, 2007
eBooks
International Engineering Consortium
International Engineering Consortium, 2001
eBooks
Donatelle, Rebecca J., author
Allyn and Bacon , 1997
Buku Teks
Macionis, John J., author
Prentice-Hall, 2000
Buku Teks