285012 Hopkins, R. G., & Building Research Station. (1963). Architectural physics: Lighting. London : Her Majesty's Stationary Office.
Citace podle Chicago (17th ed.)285012 Hopkins, Ralph Galbraith, a Building Research Station. Architectural Physics: Lighting. London : Her Majesty's Stationary Office, 1963.
Citace podle MLA (9th ed.)285012 Hopkins, Ralph Galbraith, a Building Research Station. Architectural Physics: Lighting. London : Her Majesty's Stationary Office, 1963.
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