Gaya APA
Schwiegerling, J. (2004).
Field guide to visual and opththalmic optics .
Washington:
The Society of Photo-Optical Instrumentation Engineer.
Gaya MLA
Schwiegerling, Jim.
"Field guide to visual and opththalmic optics".
Washington:
The Society of Photo-Optical Instrumentation Engineer,
2004.
E-book.