Lao, B. A. (1979). A survey on some aspects of residential land use patterns in the city of Butuan as a background information in teaching earth science [microform]. Photoduplication Service.University of the Philippines Library.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLao, Benjamin Acero. A Survey on Some Aspects of Residential Land Use Patterns in the City of Butuan as a Background Information in Teaching Earth Science [microform]. Quezon City: Photoduplication Service.University of the Philippines Library, 1979.
एमएलए (9वां संस्करण) प्रशस्ति पत्रLao, Benjamin Acero. A Survey on Some Aspects of Residential Land Use Patterns in the City of Butuan as a Background Information in Teaching Earth Science [microform]. Photoduplication Service.University of the Philippines Library, 1979.
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