Sutherland, M. E. (1947). One-step problem patterns and their relation to problem solving in arithmetic. Bureau of Publications.
Chicago Style (17th ed.) CitationSutherland, Mary Ethel. One-step Problem Patterns and Their Relation to Problem Solving in Arithmetic. New York: Bureau of Publications, 1947.
MLA (9th ed.) CitationSutherland, Mary Ethel. One-step Problem Patterns and Their Relation to Problem Solving in Arithmetic. Bureau of Publications, 1947.
Warning: These citations may not always be 100% accurate.