Waugh, E. W. (1956). Second consul, the Vice Presidency: Our greatest political problem. Bobbs-Merrill.
Chicago-viite (17. p.)Waugh, Edgar Wiggins. Second Consul, the Vice Presidency: Our Greatest Political Problem. Indianapolis: Bobbs-Merrill, 1956.
MLA-viite (9. p.)Waugh, Edgar Wiggins. Second Consul, the Vice Presidency: Our Greatest Political Problem. Bobbs-Merrill, 1956.
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