Philippines (Republic). Board of Technical Surveys and Maps. (1960). Report on the status of surveying and mapping activities in the Philippines. s.n.].
Chicago-Zitierstil (17. Ausg.)Philippines (Republic). Board of Technical Surveys and Maps. Report on the Status of Surveying and Mapping Activities in the Philippines. [Manila: s.n.], 1960.
MLA-Zitierstil (9. Ausg.)Philippines (Republic). Board of Technical Surveys and Maps. Report on the Status of Surveying and Mapping Activities in the Philippines. s.n.], 1960.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.