Integrated Environmental Management for Sustainable Development Programme. (1998). Guidelines for the formulation of the strategic environmental plan (SEP). DENR-IEMSD.
Chicago-Zitierstil (17. Ausg.)Integrated Environmental Management for Sustainable Development Programme. Guidelines for the Formulation of the Strategic Environmental Plan (SEP). Quezon City: DENR-IEMSD, 1998.
MLA-Zitierstil (9. Ausg.)Integrated Environmental Management for Sustainable Development Programme. Guidelines for the Formulation of the Strategic Environmental Plan (SEP). DENR-IEMSD, 1998.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.