Galtung, Johan, author
George Allen and Unwin, 1969
Buku Teks
[edited by] Joanna Rowe Kaakinen, Deborah Padgett Coehlo, Rose Steele, Melissa Robinson
Davis, 2010
Buku Teks
Abrahamson, Mark, author
Prentice-Hall, 1981
Buku Teks
Hanson, Shirley May Harmon, author
F.A. Davis , 1996
Buku Teks
Kimberly A.Schonert-Reichl, Robert W. Roeser, editor
Springer, 2016
Buku Teks