Shafer, N. (1964). A guide book of Philippine paper money: A comprehensive illustrated valuation catalog of Philippine regular issue currency of the Spanish, U.S. and republican periods from 1852 to date . Whitman.
Chicago Style (17th ed.) CitationShafer, Neil. A Guide Book of Philippine Paper Money: A Comprehensive Illustrated Valuation Catalog of Philippine Regular Issue Currency of the Spanish, U.S. and Republican Periods from 1852 to Date . Racine, Wis: Whitman, 1964.
MLA (9th ed.) CitationShafer, Neil. A Guide Book of Philippine Paper Money: A Comprehensive Illustrated Valuation Catalog of Philippine Regular Issue Currency of the Spanish, U.S. and Republican Periods from 1852 to Date . Whitman, 1964.
Warning: These citations may not always be 100% accurate.