APA引文

Bedford, T., & Chrenko, F. A. (1974). Bedford's basic principles of ventilation and heating (3rd ed.). H.K. Lewis.

Chicago Style (17th ed.) Citation

Bedford, Thomas, and F. A. Chrenko. Bedford's Basic Principles of Ventilation and Heating. 3rd ed. London: H.K. Lewis, 1974.

MLA引文

Bedford, Thomas, and F. A. Chrenko. Bedford's Basic Principles of Ventilation and Heating. 3rd ed. H.K. Lewis, 1974.