Robertson, B. (1987). Learn to draw: Step-by-step. MacDonald & Co (Publishers) Ltd.
Chicago Style (17th ed.) CitationRobertson, Bruce. Learn to Draw: Step-by-step. London: MacDonald & Co (Publishers) Ltd, 1987.
MLA (9th ed.) CitationRobertson, Bruce. Learn to Draw: Step-by-step. MacDonald & Co (Publishers) Ltd, 1987.
Warning: These citations may not always be 100% accurate.