Neil Thompson and Paul Stepney, editors
Routledge, Taylor & Francis Group, 2018
Buku Teks
Alston, Margaret, author
Allen & Unwin, 1998
Buku Teks
Berg, Bruce L. (Bruce Lawrence), 1954-, author
Allyn and Bacon, 1989
Buku Teks
Nezlek, John B., author
Sage , 2012
Buku Teks
Berg, Bruce L. (Bruce Lawrence), 1954-, author
Pearson, 2014
Buku Teks