United States. Central Intelligence Agency. (1990). Chinese linguistic groups. [Central Intelligence Agency].
Chicago Style (17th ed.) CitationUnited States. Central Intelligence Agency. Chinese Linguistic Groups. [Washington]: [Central Intelligence Agency], 1990.
MLA (9th ed.) CitationUnited States. Central Intelligence Agency. Chinese Linguistic Groups. [Central Intelligence Agency], 1990.
Warning: These citations may not always be 100% accurate.