(1980). Working in the twenty-first century. Wiley.
Chicago Style (17. basım) AtıfWorking in the Twenty-first Century. New York: Wiley, 1980.
MLA (9th ed.) AtıfWorking in the Twenty-first Century. Wiley, 1980.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..