Citazione Stile APA (7a Edizione)

Certeza Surveying Co., Inc. (1965). Proposals on property tax maps preparations of Tarlac province. s.n.

Citazione stile Chigago Style (17a edizione)

Certeza Surveying Co., Inc. Proposals on Property Tax Maps Preparations of Tarlac Province. [Quezon City: s.n, 1965.

Citatione MLA (9a ed.)

Certeza Surveying Co., Inc. Proposals on Property Tax Maps Preparations of Tarlac Province. s.n, 1965.