Baumgartner, Ted A., author
McGraw Hil , 2013
Buku Teks
Baumgartner, Ted A., author
McGraw-HIll, 2002
Buku Teks
edited by Juliana A. Maantay, Sara McLafferty.
Springer, 2011
Buku Teks
McGraw-hill Open Univ. press , 2006
Buku Teks
Mikes Saks, Judith Allshop, editor
Sage, 2019
Buku Teks