Παραπομπή APA

Hacker, A. (1963). The study of politics: The Western tradition and American origins. McGraw-Hill.

Παραπομπή Chicago Style

Hacker, Andrew. The Study of Politics: The Western Tradition and American Origins. Toronto: McGraw-Hill, 1963.

Παραπομπή MLA

Hacker, Andrew. The Study of Politics: The Western Tradition and American Origins. McGraw-Hill, 1963.