APA-referens (7:e uppl.)

Noomridti, S. (1975). A study of a feeder air service in the Philippines: A proposal [microform]. Photoduplication Service, University of the Philippines Library.

Chicago-referens (17:e uppl.)

Noomridti, Shoosang. A Study of a Feeder Air Service in the Philippines: A Proposal [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1975.

MLA-referens (9:e uppl.)

Noomridti, Shoosang. A Study of a Feeder Air Service in the Philippines: A Proposal [microform]. Photoduplication Service, University of the Philippines Library, 1975.

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