Ecker, J. (1996). Studio calculus (Preliminary version.). Harper Collins College Publishers.
Chicago Style (17th ed.) CitationEcker, Joe. Studio Calculus. Preliminary version. New York: Harper Collins College Publishers, 1996.
MLA (9th ed.) CitationEcker, Joe. Studio Calculus. Preliminary version. Harper Collins College Publishers, 1996.
Warning: These citations may not always be 100% accurate.