Howes, Mary B., author
Pergamon Press , 1990
Buku Teks
Hoskyn, Maureen, author
Oxford University Press, 2017
eBooks
edited by Susan Fiske and C. Neil Macrae
Sage , 2012
Buku Teks
Sternberg, Robert J., author
Wadsworth and Cengage Learning, 2012
Buku Teks
edited by Shirley Fisher and James Reason
John Wiley & Sons, 1988
Buku Referensi