Verlhac, J. (2010). PNUE, « Constitutional Environmental Law : Giving Force to Fundamental principles in Africa », Environmental Law Institute, 2e édition, 2007, 92 pages.
Cita Chicago (17th ed.)Verlhac, Jérôme. PNUE, « Constitutional Environmental Law : Giving Force to Fundamental Principles in Africa », Environmental Law Institute, 2e édition, 2007, 92 Pages. 2010.
Cita MLA (8th ed.)Verlhac, Jérôme. PNUE, « Constitutional Environmental Law : Giving Force to Fundamental Principles in Africa », Environmental Law Institute, 2e édition, 2007, 92 Pages. 2010.
Atenció: Aquestes cites poden no estar 100% correctes.