Halsey, G. D. (1955). Selecting and developing first-line supervisors. Harper.
Chicago Style (17. basım) AtıfHalsey, George D. Selecting and Developing First-line Supervisors. New york: Harper, 1955.
MLA (9th ed.) AtıfHalsey, George D. Selecting and Developing First-line Supervisors. Harper, 1955.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..