APA (7th ed.) Citation

(1980). IBON workbook on Philippine history. IBON Seminars.

Chicago Style (17th ed.) Citation

IBON Workbook on Philippine History. Manila: IBON Seminars, 1980.

MLA (9th ed.) Citation

IBON Workbook on Philippine History. IBON Seminars, 1980.

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