APA (7th ed.) Citation

(1971). Leading development areas: Provinces according to level of socio-economic development. Department of Public Works and Communications.

Chicago Style (17th ed.) Citation

Leading Development Areas: Provinces According to Level of Socio-economic Development. Manila: Department of Public Works and Communications, 1971.

MLA (9th ed.) Citation

Leading Development Areas: Provinces According to Level of Socio-economic Development. Department of Public Works and Communications, 1971.

Warning: These citations may not always be 100% accurate.