Heiland,Robert E and Richardson,Wallace J. (1957). Work Sampling (1957.). McGraw-Hill Book Company,Inc.
Chicago Edition CitationHeiland,Robert E and Richardson,Wallace J. Work Sampling. 1957. New York: McGraw-Hill Book Company,Inc, 1957.
MLA Edition CitationHeiland,Robert E and Richardson,Wallace J. Work Sampling. 1957. McGraw-Hill Book Company,Inc, 1957.
Warning: These citations may not always be 100% accurate.