Gaya APA
Mahnke, F, H., Mahnke, R, H. (1987).
Color and Light in Man-Made Environments .
New York:
Van Nostrand Reinhold Company Inc.
Gaya MLA
Mahnke, Frank, H.., Mahnke, Rudolf, H..
"Color and Light in Man-Made Environments".
New York:
Van Nostrand Reinhold Company Inc,
1987.
Text.