United Nations Development Programme & Global Environment Facility. (2004). Protecting International Waters Sustaining Livelihoods.
Cita Chicago (17th ed.)United Nations Development Programme i Global Environment Facility. Protecting International Waters Sustaining Livelihoods. 2004.
Cita MLA (9th ed.)United Nations Development Programme i Global Environment Facility. Protecting International Waters Sustaining Livelihoods. 2004.
Atenció: Aquestes cites poden no estar 100% correctes.