Ortiz, P. A. (1963). Legal aspects of the North Borneo question. Bureau of printing.
Chicago Style aipamenaOrtiz, Pacifico A. Legal Aspects of the North Borneo Question. Manila: Bureau of printing, 1963.
MLA aipamenaOrtiz, Pacifico A. Legal Aspects of the North Borneo Question. Bureau of printing, 1963.
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