Cita APA (7th ed.)
United states poreigh policy, 1971: A report of the secretary of state.
Cita Chicago (17th ed.)
United States Poreigh Policy, 1971: A Report of the Secretary of State.
Cita MLA (9th ed.)
United States Poreigh Policy, 1971: A Report of the Secretary of State.
Atenció: Aquestes cites poden no estar 100% correctes.