APA استشهاد

Gortner, H. F. (1977). Administration in the public sector. John wiley.

استشهاد بنمط شيكاغو

Gortner, Harold F. Administration in the Public Sector. New York: John wiley, 1977.

MLA استشهاد

Gortner, Harold F. Administration in the Public Sector. John wiley, 1977.