Cita APA (7a ed.)
Marshall, A. (1970). The 1970 South American Handbook. Trade and Travel.
Cita estilo Chicago (17a ed.)
Marshall, Andrew. The 1970 South American Handbook. Inglaterra: Trade and Travel, 1970.
Cita MLA (9a ed.)
Marshall, Andrew. The 1970 South American Handbook. Trade and Travel, 1970.
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