Não informado. (1972). Building equipment and materials. IPC Building and Contract Journals.
Chicago-Zitierstil (17. Ausg.)Não informado. Building Equipment and Materials. London: IPC Building and Contract Journals, 1972.
MLA-Zitierstil (8. Ausg.)Não informado. Building Equipment and Materials. IPC Building and Contract Journals, 1972.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.