Dyfyniad APA

Smith, G., & Atchison, D. A. (1997). Eye and Visual Optical Instruments. Cambridge University Press.

Dyfyniad Arddull Chicago

Smith, George, and David A. Atchison. Eye and Visual Optical Instruments. Cambridge: Cambridge University Press, 1997.

Dyfyniad MLA

Smith, George, and David A. Atchison. Eye and Visual Optical Instruments. Cambridge University Press, 1997.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.