APA ציטוט

The Economist. (1997). The World in 1997. U.S.A: The Economist.

Trích dẫn kiểu Chicago

The Economist. The World in 1997. U.S.A: The Economist, 1997.

ציטוט MLA

The Economist. The World in 1997. U.S.A: The Economist, 1997.