Cita APA (7a ed.)
Japan Stamp Dealers' Association. Japanese Postage Stamp Catalogue: 1975 (edición.).
Cita Chicago Style (17a ed.)
Japan Stamp Dealers' Association. Japanese Postage Stamp Catalogue: 1975. edición.
Cita MLA (9a ed.)
Japan Stamp Dealers' Association. Japanese Postage Stamp Catalogue: 1975. edición.
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