Stanley Gibbons Publications Ltd. (1965). Stanley Gibbons whole world stamp catalogue: A priced catalogue of the postage stamps of the whole world, excluding varieties of paper, perforation, shade and watermark (13th ed.). Stanley Gibbons.
Chicago-Zitierstil (17. Ausg.)Stanley Gibbons Publications Ltd. Stanley Gibbons Whole World Stamp Catalogue: A Priced Catalogue of the Postage Stamps of the Whole World, Excluding Varieties of Paper, Perforation, Shade and Watermark. 13th ed. Stanley Gibbons, 1965.
MLA-Zitierstil (9. Ausg.)Stanley Gibbons Publications Ltd. Stanley Gibbons Whole World Stamp Catalogue: A Priced Catalogue of the Postage Stamps of the Whole World, Excluding Varieties of Paper, Perforation, Shade and Watermark. 13th ed. Stanley Gibbons, 1965.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.