APA (7th ed.) Citation

Del Rosario, R. A statistical study of Philippine exports (1960-1970). -- 1972.

Chicago Style (17th ed.) Citation

Del Rosario, Roberto. A Statistical Study of Philippine Exports (1960-1970). -- 1972.

MLA (9th ed.) Citation

Del Rosario, Roberto. A Statistical Study of Philippine Exports (1960-1970). -- 1972.

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