APA (7th ed.) Citation

(1983). IBON socioeconomics workbook (3rd ed.). IBON Databank.

Chicago Style (17th ed.) Citation

IBON Socioeconomics Workbook. 3rd ed. Manila: IBON Databank, 1983.

MLA (9th ed.) Citation

IBON Socioeconomics Workbook. 3rd ed. IBON Databank, 1983.

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