Light, heat and power. [s.n.].
Chicago Style (17th ed.) CitationLight, Heat and Power. Philadelphia, Pa.: [s.n.].
MLA引文Light, Heat and Power. [s.n.].
警告：这些引文格式不一定是100％准确.
APA引文
Light, heat and power. [s.n.].
Chicago Style (17th ed.) CitationLight, Heat and Power. Philadelphia, Pa.: [s.n.].
MLA引文Light, Heat and Power. [s.n.].