Gregory, G. G. Optics Education and Outreach II. SPIE Digital Library.
Cita Chicago (17th ed.)Gregory, G. Groot. Optics Education and Outreach II. SPIE Digital Library.
Cita MLA (9th ed.)Gregory, G. Groot. Optics Education and Outreach II. SPIE Digital Library.
Atenció: Aquestes cites poden no estar 100% correctes.