Humphris, F. H. (1928). Artificial sunlight and its therapeutic uses ([4th ed., rev. and enl.].). Oxford Univ. Press.
Cita Chicago Style (17a ed.)Humphris, Francis Howard. Artificial Sunlight and Its Therapeutic Uses. [4th ed., rev. and enl.]. London: Oxford Univ. Press, 1928.
Cita MLA (9a ed.)Humphris, Francis Howard. Artificial Sunlight and Its Therapeutic Uses. [4th ed., rev. and enl.]. Oxford Univ. Press, 1928.
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