APA (7. basım) Alıntı

GILLEY JERRY W. (1999). PERFORMANCE CHALLENGE. PERSEUS PUBLICATIONS.

Chicago Style (17. basım) Atıf

GILLEY JERRY W. PERFORMANCE CHALLENGE. MASSACHUSETTS: PERSEUS PUBLICATIONS, 1999.

MLA (9th ed.) Atıf

GILLEY JERRY W. PERFORMANCE CHALLENGE. PERSEUS PUBLICATIONS, 1999.