Aguilar, C. T. (2004). Environmental protection and regional development. Excel Print. Press.
Cita Chicago (17th ed.)Aguilar, Carmencita T. Environmental Protection and Regional Development. Philippines: Excel Print. Press, 2004.
Cita MLA (9th ed.)Aguilar, Carmencita T. Environmental Protection and Regional Development. Excel Print. Press, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.