Cita APA (7a ed.)
Parker, G. (1998). Geopolitics: Past, Present and Future. Pinter.
Cita estilo Chicago (17a ed.)
Parker, Geoffrey. Geopolitics: Past, Present and Future. Londres, Inglaterra: Pinter, 1998.
Cita MLA (9a ed.)
Parker, Geoffrey. Geopolitics: Past, Present and Future. Pinter, 1998.
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