Dyfyniad APA

Davila, E. H. (1975). A study of commercial air-transportation services for Philippine rural areas [microform]. Photoduplication Service, University of the Philippines Library.

Dyfyniad Arddull Chicago

Davila, Enrique H. A Study of Commercial Air-transportation Services for Philippine Rural Areas [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1975.

Dyfyniad MLA

Davila, Enrique H. A Study of Commercial Air-transportation Services for Philippine Rural Areas [microform]. Photoduplication Service, University of the Philippines Library, 1975.

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