Não informado. (1972). Building equipment and materials. IPC Building and Contract Journals.
Citação do estilo Chicago (17ª ed.)Não informado. Building Equipment and Materials. London: IPC Building and Contract Journals, 1972.
Citação MLA (8ª ed.)Não informado. Building Equipment and Materials. IPC Building and Contract Journals, 1972.
警告：这些引文格式不一定是100％准确.