APA aipamena

Praetzel, G., Warnke, E. F., & Jaskolski, T. (1970). Microphone recording technique. Sennheiser.

Chicago Style aipamena

Praetzel, G., E. F. Warnke, and T.M Jaskolski. Microphone Recording Technique. [Hannover, West Germany]: Sennheiser, 1970.

MLA aipamena

Praetzel, G., et al. Microphone Recording Technique. Sennheiser, 1970.