Gaya APA

Erik, M, H, V., Onstee, H. (-). Digital Instrument Course: Digital Voltmeters And Multimeters Part.3 (-). Netherlands: N.V. Philips.

Gaya MLA

Erik, M., H., Van., Onstee, H.G.. "Digital Instrument Course: Digital Voltmeters And Multimeters Part.3". - Netherlands: N.V. Philips, -. Text.