Van Der Grijp, P. (2002). Passion and profit: The world of amateur traders in philately. Journal of Material Culture.
Chicago Style (17th ed.) CitationVan Der Grijp, Paul. "Passion and Profit: The World of Amateur Traders in Philately." Journal of Material Culture 2002.
MLA (9th ed.) CitationVan Der Grijp, Paul. "Passion and Profit: The World of Amateur Traders in Philately." Journal of Material Culture, 2002.
Warning: These citations may not always be 100% accurate.