Gaya APA

Hughes, William F.. (1975). The Year Book of Ophthalmology 1975 . Chicago: Year Book Medical Publishers,Inc..

Gaya Chicago

Hughes, William F.. The Year Book of Ophthalmology 1975. Chicago: Year Book Medical Publishers,Inc., 1975. Teks.

Gaya MLA

Hughes, William F.. The Year Book of Ophthalmology 1975. Chicago: Year Book Medical Publishers,Inc., 1975. Teks.

Gaya Turabian

Hughes, William F.. The Year Book of Ophthalmology 1975. Chicago: Year Book Medical Publishers,Inc., 1975. Teks.