Cooper, R. (1990). Five steps to ABC system design. [s.n.].
Chicago Style (17th ed.) CitationCooper, Robin. Five Steps to ABC System Design. [S.l.]: [s.n.], 1990.
MLA (9th ed.) CitationCooper, Robin. Five Steps to ABC System Design. [s.n.], 1990.
Warning: These citations may not always be 100% accurate.