APA (7. basım) Alıntı
Stanley Gibbons Publications Ltd & Allen, E. Collect British Stamps: A Stanley Gibbons Checklist of the Stamps of Great Britain (Vigésima edición.).
Chicago Style (17. basım) Atıf
Stanley Gibbons Publications Ltd ve Eric Allen. Collect British Stamps: A Stanley Gibbons Checklist of the Stamps of Great Britain. Vigésima edición.
MLA (9th ed.) Atıf
Stanley Gibbons Publications Ltd ve Eric Allen. Collect British Stamps: A Stanley Gibbons Checklist of the Stamps of Great Britain. Vigésima edición.
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