Pluta, M. Gradient-Index Optics in Science and Engineering. SPIE Digital Library.
Citazione stile Chigago Style (17a edizione)Pluta, Maksymilian. Gradient-Index Optics in Science and Engineering. SPIE Digital Library.
Citatione MLA (8a ed.)Pluta, Maksymilian. Gradient-Index Optics in Science and Engineering. SPIE Digital Library.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.