Certeza Surveying Co., Inc. (1965). Aerial photographic survey feasibility study for the governor, Land Authority, to obtain authority to negotiate Central Luzon provinces. s.n.
Citace podle Chicago (17th ed.)Certeza Surveying Co., Inc. Aerial Photographic Survey Feasibility Study for the Governor, Land Authority, to Obtain Authority to Negotiate Central Luzon Provinces. [Quezon City: s.n, 1965.
Citace podle MLA (9th ed.)Certeza Surveying Co., Inc. Aerial Photographic Survey Feasibility Study for the Governor, Land Authority, to Obtain Authority to Negotiate Central Luzon Provinces. s.n, 1965.
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