Philippines (Republic). Department of Agriculture and Natural Resources. (1971). Agriculture and natural resources development, FY 1972-1975: A four-year program in summary. s.n.
Cita Chicago (17th ed.)Philippines (Republic). Department of Agriculture and Natural Resources. Agriculture and Natural Resources Development, FY 1972-1975: A Four-year Program in Summary. [Quezon City: s.n, 1971.
Cita MLA (9th ed.)Philippines (Republic). Department of Agriculture and Natural Resources. Agriculture and Natural Resources Development, FY 1972-1975: A Four-year Program in Summary. s.n, 1971.
Atenció: Aquestes cites poden no estar 100% correctes.