Παραπομπή APA

Field G Lowell. (1951). Governments in modern society. Mc Graw Hill book company.

Παραπομπή Chicago Style

Field G Lowell. Governments in Modern Society. New York: Mc Graw Hill book company, 1951.

Παραπομπή MLA

Field G Lowell. Governments in Modern Society. Mc Graw Hill book company, 1951.