APA استشهاد

Heady, F. (1971). Public administration; comparative perspective. Prentice Hall.

استشهاد بنمط شيكاغو

Heady, Ferrel. Public Administration; Comparative Perspective. New Jerag: Prentice Hall, 1971.

MLA استشهاد

Heady, Ferrel. Public Administration; Comparative Perspective. Prentice Hall, 1971.