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>