Indeks bias: Perbedaan antara revisi

| first = Alfred Zajac

| coauthors = Hecht, Eugene; Cummings, Eugene

| title = Optics, Fourth Edition

| publisher = Pearson Higher Education

| date = 18 March 2003

| isbn = 9780321188786}}</ref>

| first = Morgan

| title = Introduction to Geometrical and Physical Optics

| publisher = McGraw-Hill Book Company, INC.

| date = 1953}}</ref>

| first = Hodgman

| coauthors = Selby, Weast

| title = Handbook of Chemistry and Physics

| publisher = Chemical Rubber Publishing Co.

| date = 1957}}</ref>

| first = Pedrotti

| coauthors = Pedrotti, Pedrotti | title = Introduction to Optics, Third Edition

| publisher = Pearson Prentice Hall

| page = 221

| date = 2007

| isbn = 0-13-149933-5 }}</ref>