APA引文

Rusk, D. Legacy of a president. The memorable words of John Fitzgerald Kennedy. [s.l.]: United States Information Agency.

Παραπομπή Chicago Style

Rusk, Dean. Legacy of a President. The Memorable Words of John Fitzgerald Kennedy. [s.l.]: United States Information Agency.

MLA引文

Rusk, Dean. Legacy of a President. The Memorable Words of John Fitzgerald Kennedy. [s.l.]: United States Information Agency.

警告：这些引文格式不一定是100％准确.