Hama, G. M. Principles of ventilation: Instructor's manual. National Technical Information Service.
芝加哥风格引文Hama, George M. Principles of Ventilation: Instructor's Manual. Springfield, Va.: National Technical Information Service.
MLA引文Hama, George M. Principles of Ventilation: Instructor's Manual. National Technical Information Service.
警告：这些引文格式不一定是100％准确.