APA način citiranja

(1981). World English. Washington, DC.: United states Department of state.

Čikaški stil citiranja

World English. Washington, DC.: United states Department of state, 1981.

MLA način citiranja

World English. Washington, DC.: United states Department of state, 1981.

Upozorenje: Ovi citati možda nisu uvijek 100% točni.