Keller, J. (1993). How you can conduct a small leadership group. Asian Trading.
Chicago Style (17. basım) AtıfKeller, James. How You Can Conduct a Small Leadership Group. Bangalore: Asian Trading, 1993.
MLA (9th ed.) AtıfKeller, James. How You Can Conduct a Small Leadership Group. Asian Trading, 1993.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..