Van Sommers, P. (1984). Drawing and cognition : descriptive and experimental studies of graphic production processes / Peter Van Sommers: Descriptive and experimental studies of graphic production processes. Cambridge University Press.
Chicago Style (17th ed.) CitationVan Sommers, Peter. Drawing and Cognition : Descriptive and Experimental Studies of Graphic Production Processes / Peter Van Sommers: Descriptive and Experimental Studies of Graphic Production Processes. Cambridge: Cambridge University Press, 1984.
MLA (9th ed.) CitationVan Sommers, Peter. Drawing and Cognition : Descriptive and Experimental Studies of Graphic Production Processes / Peter Van Sommers: Descriptive and Experimental Studies of Graphic Production Processes. Cambridge University Press, 1984.