Dunn, Dana S., author
Wiley-Blackwell, 2009
Buku Teks
BPS Blackwell, 2004
Buku Teks
edited by Harry T. Reis and Charles M. Judd
Cambridge University Press, 2000
Buku Teks
Gravetter, Frederick J., author
CT Cengage Learning, 2016
Buku Teks
Gravetter, Frederick J., author
Cengage, 2018
Buku Teks