Cita APA (7th ed.)
Japan Stamp Dealers' Association. Japanese Postage Stamp Catalogue: 1975 (edición.).
Cita Chicago (17th ed.)
Japan Stamp Dealers' Association. Japanese Postage Stamp Catalogue: 1975. edición.
Cita MLA (9th ed.)
Japan Stamp Dealers' Association. Japanese Postage Stamp Catalogue: 1975. edición.
Atenció: Aquestes cites poden no estar 100% correctes.