Cita APA (7th ed.)

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.

Cita Chicago (17th ed.)

Lao, 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.

Cita MLA (9th ed.)

Lao, 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.