APA (7e ed.) Bronvermelding

Shafter, N. (1961). United States territorial coinage for the Philippine Islands: An illustrated history and price list of coins, tokens, and medals, issued for the Philippine Islands as a United States Territory. Whitman Pub.

Chicago (17e ed.) Bronvermelding

Shafter, Neil. United States Territorial Coinage for the Philippine Islands: An Illustrated History and Price List of Coins, Tokens, and Medals, Issued for the Philippine Islands as a United States Territory. Racine, Wis: Whitman Pub, 1961.

MLA (9e ed.) Bronvermelding

Shafter, Neil. United States Territorial Coinage for the Philippine Islands: An Illustrated History and Price List of Coins, Tokens, and Medals, Issued for the Philippine Islands as a United States Territory. Whitman Pub, 1961.