Philippines (Republic) National Irrigation Administration & United States Bureau of Reclamation. (1971). Land classification and supporting studies on the Upper Pampanga River Project. s.n.].
Chicago-Zitierstil (17. Ausg.)Philippines (Republic) National Irrigation Administration und United States Bureau of Reclamation. Land Classification and Supporting Studies on the Upper Pampanga River Project. [Quezon City: s.n.], 1971.
MLA-Zitierstil (9. Ausg.)Philippines (Republic) National Irrigation Administration und United States Bureau of Reclamation. Land Classification and Supporting Studies on the Upper Pampanga River Project. s.n.], 1971.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.