Cita APA (7th ed.)
Strong, E. P. (1962). Increasing office productivity: A seven-step program. McGraw-Hill.
Cita Chicago (17th ed.)
Strong, Earl P. Increasing Office Productivity: A Seven-step Program. New York: McGraw-Hill, 1962.
Cita MLA (9th ed.)
Strong, Earl P. Increasing Office Productivity: A Seven-step Program. McGraw-Hill, 1962.
Atenció: Aquestes cites poden no estar 100% correctes.