Barlow, David H.
Brooks/Cole, 1995
Buku Teks
by Ann M. Kring ... [et.al.]
Wiley, 2010
Buku Teks
Davison, Gerald C.
John Wiley & Sons, 2004
Buku Teks
Barlow, David H.
Thomson , 2005
Buku Teks
Barlow, David H.
Wadsworth and Cengage Learning, 2012
Buku Teks