Cita APA (7a ed.)

Aguilar, C. T. (2004). Environmental protection and regional development. Excel Print. Press.

Cita Chicago Style (17a ed.)

Aguilar, Carmencita T. Environmental Protection and Regional Development. Philippines: Excel Print. Press, 2004.

Cita MLA (9a ed.)

Aguilar, Carmencita T. Environmental Protection and Regional Development. Excel Print. Press, 2004.