Petzold, P. (1976). The focalguide to low light photography. Focal Press.
芝加哥风格引文Petzold, Paul. The Focalguide to Low Light Photography. London: Focal Press, 1976.
MLA引文Petzold, Paul. The Focalguide to Low Light Photography. Focal Press, 1976.
警告：这些引文格式不一定是100％准确.