Gaya APA

Stein, H, A., Stein, R, M. (2006). The ophthalmic assistant : a text for allied and associated ophthalmic personnel (Eighth edition). Philadelphia: Mosby.

Gaya MLA

Stein, Harold, A.., Stein, Raymond, M.. "The ophthalmic assistant : a text for allied and associated ophthalmic personnel". Eighth edition Philadelphia: Mosby, 2006. E-book.