Lockwood, R. M. (1905). Frames and lenses: A practical treatise for optometrists. F. Boger Pub. Co.
Lua i Stíl Chicago (17ú heag.)Lockwood, Robert Minturn. Frames and Lenses: A Practical Treatise for Optometrists. New York: F. Boger Pub. Co, 1905.
Lua MLA (8ú heag.)Lockwood, Robert Minturn. Frames and Lenses: A Practical Treatise for Optometrists. F. Boger Pub. Co, 1905.
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