एपीए उद्धरण

(1971). The Statesman's yearbook: 1971-72. St. Martin's Press.

शिकागो स्टाइल उद्धरण

The Statesman's Yearbook: 1971-72. Macmillan: St. Martin's Press, 1971.

एमएलए उद्धरण

The Statesman's Yearbook: 1971-72. St. Martin's Press, 1971.