Mendoza, G. Q. (1976). Rock aggregates plant: A preliminary feasibility study [microform]. Photoduplication Service, University of the Philippines Library.
Chicago-referens (17:e uppl.)Mendoza, Guadalupe Q. Rock Aggregates Plant: A Preliminary Feasibility Study [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1976.
MLA-referens (9:e uppl.)Mendoza, Guadalupe Q. Rock Aggregates Plant: A Preliminary Feasibility Study [microform]. Photoduplication Service, University of the Philippines Library, 1976.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.