APA (7th ed.) Citation

(1991). Eastern Europe oil and gas infrastructure (4. Aufl.). [CIA].

Chicago Style (17th ed.) Citation

Eastern Europe Oil and Gas Infrastructure. 4. Aufl. [Washington]: [CIA], 1991.

MLA (9th ed.) Citation

Eastern Europe Oil and Gas Infrastructure. 4. Aufl. [CIA], 1991.

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