Παραπομπή σε μορφή APA (7η εκδ.)

Philippines (Republic). Bureau of the Census and Statistics. (1950). Foreign trade and navigation of the Philippines. [s.n.].

Παραπομπή σε μορφή Chicago (17η εκδ.)

Philippines (Republic). Bureau of the Census and Statistics. Foreign Trade and Navigation of the Philippines. Manila: [s.n.], 1950.

Παραπομπή σε μορφή MLA (9th εκδ.)

Philippines (Republic). Bureau of the Census and Statistics. Foreign Trade and Navigation of the Philippines. [s.n.], 1950.