Johnson, R. B. Lens Design, Illumination, and Optomechanical Modeling. SPIE Digital Library.
Citazione stile Chigago Style (17a edizione)Johnson, R. Barry. Lens Design, Illumination, and Optomechanical Modeling. SPIE Digital Library.
Citatione MLA (9a ed.)Johnson, R. Barry. Lens Design, Illumination, and Optomechanical Modeling. SPIE Digital Library.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.