APA aipamena

(1997). Vietnam business directory 1997 - 1998. Hà Nội: The Chamber of Commerce and Industry of Vietnam.

Chicago Style aipamena

Vietnam Business Directory 1997 - 1998. Hà Nội: The Chamber of Commerce and Industry of Vietnam, 1997.

MLA aipamena

Vietnam Business Directory 1997 - 1998. Hà Nội: The Chamber of Commerce and Industry of Vietnam, 1997.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.