Cita APA (7th ed.)
ebrary, Inc, & Denemark, R. A. (2000). World system history: The social science of long-term change. Routledge.
Cita Chicago (17th ed.)
ebrary, Inc, i Robert Allen Denemark. World System History: The Social Science of Long-term Change. London New York: Routledge, 2000.
Cita MLA (9th ed.)
ebrary, Inc, i Robert Allen Denemark. World System History: The Social Science of Long-term Change. Routledge, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.