Robertson, B. (1988). How to draw charts & diagrams. North Light Books.
Chicago Style (17th ed.) CitationRobertson, Bruce. How to Draw Charts & Diagrams. Cincinnati, Ohio: North Light Books, 1988.
MLA (9th ed.) CitationRobertson, Bruce. How to Draw Charts & Diagrams. North Light Books, 1988.
Warning: These citations may not always be 100% accurate.