Abelson, H. ;. d. Turtle Geometry. The MIT Press, Cambridge, 1986 (2 copies).
Chicago Style CitationAbelson, Harold ; diSessa. Turtle Geometry. The MIT Press, Cambridge, 1986 (2 copies).
MLA CitationAbelson, Harold ; diSessa. Turtle Geometry. The MIT Press, Cambridge, 1986 (2 copies).
Warning: These citations may not always be 100% accurate.