Cita APA

National environment agency. (1998). Vietnam green guide 1998. Vietnam: National environment agency.

Chicago Style Citation

National environment agency. Vietnam Green Guide 1998. Vietnam: National environment agency, 1998.

Cita MLA

National environment agency. Vietnam Green Guide 1998. Vietnam: National environment agency, 1998.

Atenció: Aquestes cites poden no estar 100% correctes.