APA (7th ed.) Citation

Naciones Unidas. Programa para el Medio Ambiente. (1995). Environmental codes of conduct for tourism. United Nations Environment Programme, Industry and Environment.

Chicago Style (17th ed.) Citation

Naciones Unidas. Programa para el Medio Ambiente. Environmental Codes of Conduct for Tourism. Paris: United Nations Environment Programme, Industry and Environment, 1995.

MLA (9th ed.) Citation

Naciones Unidas. Programa para el Medio Ambiente. Environmental Codes of Conduct for Tourism. United Nations Environment Programme, Industry and Environment, 1995.