APA (7th ed.) Citation

Ibon Databank Phil., Inc. (1983). Ibon socio economics workbook (3rd ed.). IBON Databank Phil., Inc.

Chicago Style (17th ed.) Citation

Ibon Databank Phil., Inc. Ibon Socio Economics Workbook. 3rd ed. Manila: IBON Databank Phil., Inc, 1983.

MLA (9th ed.) Citation

Ibon Databank Phil., Inc. Ibon Socio Economics Workbook. 3rd ed. IBON Databank Phil., Inc, 1983.

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