Gonzales, L. A. (1977). A national interregional land use model for Philippine agriculture. National Human Settlements Planning Program, Human Settlements Commission.
Chicago-viite (17. p.)Gonzales, Leonardo A. A National Interregional Land Use Model for Philippine Agriculture. Makati, Rizal: National Human Settlements Planning Program, Human Settlements Commission, 1977.
MLA-viite (9. p.)Gonzales, Leonardo A. A National Interregional Land Use Model for Philippine Agriculture. National Human Settlements Planning Program, Human Settlements Commission, 1977.
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