APA aipamena

Fröhr, F., & Orttenburger, F. (1982). Introduction to electronic control engineering. Siemens ; Heyden.

Chicago Style aipamena

Fröhr, Friedrich, and Fritz Orttenburger. Introduction to Electronic Control Engineering. Berlin : London: Siemens ; Heyden, 1982.

MLA aipamena

Fröhr, Friedrich, and Fritz Orttenburger. Introduction to Electronic Control Engineering. Siemens ; Heyden, 1982.