Praetzel, G., Warnke, E. F., & Jaskolski, T. (1970). Microphone recording technique. Sennheiser.
芝加哥风格引文Praetzel, G., E. F. Warnke, 与 T.M Jaskolski. Microphone Recording Technique. [Hannover, West Germany]: Sennheiser, 1970.
MLA引文Praetzel, G., et al. Microphone Recording Technique. Sennheiser, 1970.
警告：这些引文格式不一定是100％准确.