Gaya APA

Piper, D, C, (., Terchek, R, J, (. (1983). Interaction : foreign policy and public policy . Washington: American Enterprise Institute for Public Policy Research.

Gaya MLA

Piper, Don, C., (editor)., Terchek, Ronald, J., (editor). "Interaction : foreign policy and public policy". Washington: American Enterprise Institute for Public Policy Research, 1983. Text.