(1955). ABC: Abridged Building Classification for architects, builders, civil-engineers : a selection from the Universal Decimal Classification (2nd ed.). Rotterdam: International Council for Building Research, Studies, and Documentation. Section Documentation.
Παραπομπή Chicago StyleABC: Abridged Building Classification for Architects, Builders, Civil-engineers : A Selection From the Universal Decimal Classification. 2nd ed. Rotterdam: International Council for Building Research, Studies, and Documentation. Section Documentation, 1955.
Παραπομπή MLAABC: Abridged Building Classification for Architects, Builders, Civil-engineers : A Selection From the Universal Decimal Classification. 2nd ed. Rotterdam: International Council for Building Research, Studies, and Documentation. Section Documentation, 1955.