Shields, M. B. (1992). Textbook of glaucoma (3rd ed.). Williams & Wilkins.
Chicago Style (17th ed.) CitationShields, M. Bruce. Textbook of Glaucoma. 3rd ed. Baltimore: Williams & Wilkins, 1992.
MLA (9th ed.) CitationShields, M. Bruce. Textbook of Glaucoma. 3rd ed. Williams & Wilkins, 1992.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.