Tyler, C. W. (1973). Periodic vernier acuity.
Chicago Style aipamenaTyler, C. William. Periodic Vernier Acuity. 1973.
MLA aipamenaTyler, C. William. Periodic Vernier Acuity. 1973.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
Tyler, C. W. (1973). Periodic vernier acuity.
Chicago Style aipamenaTyler, C. William. Periodic Vernier Acuity. 1973.
MLA aipamenaTyler, C. William. Periodic Vernier Acuity. 1973.