Παραπομπή σε μορφή APA (7η εκδ.)

Philippines (Republic). Board of Technical Surveys and Maps. (1960). Report on the status of surveying and mapping activities in the Philippines. s.n.].

Παραπομπή σε μορφή Chicago (17η εκδ.)

Philippines (Republic). Board of Technical Surveys and Maps. Report on the Status of Surveying and Mapping Activities in the Philippines. [Manila: s.n.], 1960.

Παραπομπή σε μορφή MLA (9th εκδ.)

Philippines (Republic). Board of Technical Surveys and Maps. Report on the Status of Surveying and Mapping Activities in the Philippines. s.n.], 1960.