Emmanuel, J. A. (1993). Lecture-series on the Philippine environment in the 21st century: Issues and concerns. Institute of Legal Studies, U.P. Law Center.
Citação norma ChicagoEmmanuel, Jorge A. Lecture-series on the Philippine Environment in the 21st Century: Issues and Concerns. Quezon City: Institute of Legal Studies, U.P. Law Center, 1993.
Citação norma MLAEmmanuel, Jorge A. Lecture-series on the Philippine Environment in the 21st Century: Issues and Concerns. Institute of Legal Studies, U.P. Law Center, 1993.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.