Cita APA (7th ed.)
Villiard, P. Collecting Stamps: Everything you need to know to pursue the world's most popular hobby for fun, knowledge, and profit.
Cita Chicago (17th ed.)
Villiard, Paul. Collecting Stamps: Everything You Need to Know to Pursue the World's Most Popular Hobby for Fun, Knowledge, and Profit.
Cita MLA (9th ed.)
Villiard, Paul. Collecting Stamps: Everything You Need to Know to Pursue the World's Most Popular Hobby for Fun, Knowledge, and Profit.
Atenció: Aquestes cites poden no estar 100% correctes.