Gaya APA

Singer, E, &, H, V, (. (1992). Political psychology and foreign policy. Foreword by Margaret G. Hermann. . Westview Press: Westview Press Boulder dsl.

Gaya MLA

Singer, Eric, &, Hudson,, Valerie, (ed.). "Political psychology and foreign policy. Foreword by Margaret G. Hermann. ". Westview Press: Westview Press Boulder dsl, 1992. Buku.