APA-referens (7:e uppl.)

Ortiz, P. A. (1963). Legal aspects of the North Borneo question. Bureau of Print.

Chicago-referens (17:e uppl.)

Ortiz, Pacifico A. Legal Aspects of the North Borneo Question. Manila: Bureau of Print, 1963.

MLA-referens (9:e uppl.)

Ortiz, Pacifico A. Legal Aspects of the North Borneo Question. Bureau of Print, 1963.