Citazione Stile APA (7a Edizione)

(1961). Tupsan, Philippines. Board of Technical Surveys and Maps.

Citazione stile Chigago Style (17a edizione)

Tupsan, Philippines. Manila: Board of Technical Surveys and Maps, 1961.

Citatione MLA (9a ed.)

Tupsan, Philippines. Board of Technical Surveys and Maps, 1961.