Bluhm, W. T. (1978). Theories of the Political System (3rd ed.). Englewood Cliffs: Prentice-Hall, Inc.
Чикагска система за цитиранеBluhm, William Theodore. Theories of the Political System. 3rd ed. Englewood Cliffs: Prentice-Hall, Inc, 1978.
MLA формат за цитиранеBluhm, William Theodore. Theories of the Political System. 3rd ed. Englewood Cliffs: Prentice-Hall, Inc, 1978.
Внимание: Тези цитати може да не са 100% точни.