APA ציטוט

Nordstrom,Hakan, & Vaughan,Scatt. (1999). Trade and environment. World Trade Organization.

Chicago Edition Citation

Nordstrom,Hakan, and Vaughan,Scatt. Trade and Environment. Geneva: World Trade Organization, 1999.

ציטוט MLA

Nordstrom,Hakan, and Vaughan,Scatt. Trade and Environment. World Trade Organization, 1999.