Gaya APA
Brooks, C, W. (2003).
Essentials of Opthalmic Lens Finishing (Edisi Kedua).
Missouri:
Butterworth-Heinemann Ltd.
Gaya MLA
Brooks, Clifford, W.
"Essentials of Opthalmic Lens Finishing".
Edisi Kedua
Missouri:
Butterworth-Heinemann Ltd,
2003.
Text.