Pan American Union. (1933). Bibliographies on Pan American Topics: Suggested for high schools. Pan American Union.
Čikaški stil citiranja (17. izdanje)Pan American Union. Bibliographies on Pan American Topics: Suggested for High Schools. Washington: Pan American Union, 1933.
MLA način citiranja (9. izdanje)Pan American Union. Bibliographies on Pan American Topics: Suggested for High Schools. Pan American Union, 1933.
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