Cita APA (7th ed.)
Lidman, D., & Landshoff, H. Treasury of Stamps: 1,200 rare and beautiful stamps in color.
Cita Chicago (17th ed.)
Lidman, David, i H. Landshoff. Treasury of Stamps: 1,200 Rare and Beautiful Stamps in Color.
Cita MLA (9th ed.)
Lidman, David, i H. Landshoff. Treasury of Stamps: 1,200 Rare and Beautiful Stamps in Color.
Atenció: Aquestes cites poden no estar 100% correctes.