Παραπομπή APA

Peter Gray. (1973). The Encyclopedia of Microscopy and Microtechnique. New York.

Παραπομπή Chicago Style

Peter Gray. The Encyclopedia of Microscopy and Microtechnique. New York, 1973.

Παραπομπή MLA

Peter Gray. The Encyclopedia of Microscopy and Microtechnique. New York, 1973.