APA-referens (7:e uppl.)
Crescent Books, West, R., & Ellis, R. The Whole World Stamp Catalog: Current stamps and postal items from over 200 countries and where to buy them.
Chicago-referens (17:e uppl.)
Crescent Books, Richard West, och Robin Ellis. The Whole World Stamp Catalog: Current Stamps and Postal Items from over 200 Countries and Where to Buy Them.
MLA-referens (9:e uppl.)
Crescent Books, et al. The Whole World Stamp Catalog: Current Stamps and Postal Items from over 200 Countries and Where to Buy Them.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.