Cita APA (7th ed.)

Singer, H. W. (1988). Rich and poor countries: Consequences of international economic disorder (4th ed.). Unwin.

Cita Chicago (17th ed.)

Singer, Hans Wolfgang. Rich and Poor Countries: Consequences of International Economic Disorder. 4th ed. London: Unwin, 1988.

Cita MLA (9th ed.)

Singer, Hans Wolfgang. Rich and Poor Countries: Consequences of International Economic Disorder. 4th ed. Unwin, 1988.