Philippine Islands. Office of the Collector of Customs, Philippine Islands. Philippine Customs Service, & Shuster W. Morgan. (1977). Special report. 1st. 188- [microform]. Photoduplication Service, University of the Philippines Library.
Citace podle Chicago (17th ed.)Philippine Islands. Office of the Collector of Customs, Philippine Islands. Philippine Customs Service, a Shuster W. Morgan. Special Report. 1st. 188- [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1977.
Citace podle MLA (9th ed.)Philippine Islands. Office of the Collector of Customs, et al. Special Report. 1st. 188- [microform]. Photoduplication Service, University of the Philippines Library, 1977.
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