Riola, R. A. (1977). Mass production and cost reduction of scientific apparatus for schools in the Philippines [microform]. Photoduplication Service. University of the Philippines Library.
Chicago-Zitierstil (17. Ausg.)Riola, Robert Aguada. Mass Production and Cost Reduction of Scientific Apparatus for Schools in the Philippines [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.
MLA-Zitierstil (9. Ausg.)Riola, Robert Aguada. Mass Production and Cost Reduction of Scientific Apparatus for Schools in the Philippines [microform]. Photoduplication Service. University of the Philippines Library, 1977.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.