Cita APA

Jackson , R., & By Sorensen , . G. (1999). Introduction to international relations. Univ. Pr..

Citación estilo Chicago

Jackson , Robert, and George By Sorensen. Introduction to International Relations. Oxford: Univ. Pr., 1999.

Cita MLA

Jackson , Robert, and George By Sorensen. Introduction to International Relations. Univ. Pr., 1999.