APA (7th ed.) Citation

Não informado. (1991). PAIS International in Print. Public Affairs Information Service.

Chicago Style (17th ed.) Citation

Não informado. PAIS International in Print. New York: Public Affairs Information Service, 1991.

MLA (8th ed.) Citation

Não informado. PAIS International in Print. Public Affairs Information Service, 1991.

Warning: These citations may not always be 100% accurate.