Certeza Surveying Co., Inc. (1965). Proposals on property tax maps preparations of Tarlac province. s.n.
Chicagoスタイル(17版)引用形式Certeza Surveying Co., Inc. Proposals on Property Tax Maps Preparations of Tarlac Province. [Quezon City: s.n, 1965.
MLA(9版)引用形式Certeza Surveying Co., Inc. Proposals on Property Tax Maps Preparations of Tarlac Province. s.n, 1965.
警告: この引用は必ずしも正確ではありません.