American Telephone and Telegraph Company. Construction Plans Department, & American Telephone and Telegraph Company. Construction Plans Department. (1977). Engineering economy: A manager's guide to economic decision making (3. edition.). New York, New York: McGraw-Hill.
Chicago Style CitationAmerican Telephone and Telegraph Company. Construction Plans Department, and American Telephone and Telegraph Company. Construction Plans Department. Engineering Economy: A Manager's Guide to Economic Decision Making. 3. edition. New York, New York: McGraw-Hill, 1977.
MLA CitationAmerican Telephone and Telegraph Company. Construction Plans Department, and American Telephone and Telegraph Company. Construction Plans Department. Engineering Economy: A Manager's Guide to Economic Decision Making. 3. edition. New York, New York: McGraw-Hill, 1977.