Luanna taifid
Lua APA (7ú heag.)
Bowen Thomas & Barlow Percival. (1791). Portugal accurately drawn from the most approved modern maps and charts. printed by and for W. and J. Stratford, No. 112, Holborn-Hills.
Cóipeáladh chuig an ngearrthaisce go rathúil é
Níorbh fhéidir cóipeáil chuig an ngearrthaisce
Lua i Stíl Chicago (17ú heag.)
Bowen Thomas agus Barlow Percival. Portugal Accurately Drawn from the Most Approved Modern Maps and Charts. printed by and for W. and J. Stratford, No. 112, Holborn-Hills, 1791.
Cóipeáladh chuig an ngearrthaisce go rathúil é
Níorbh fhéidir cóipeáil chuig an ngearrthaisce
Lua MLA (9ú heag.)
Bowen Thomas agus Barlow Percival. Portugal Accurately Drawn from the Most Approved Modern Maps and Charts. printed by and for W. and J. Stratford, No. 112, Holborn-Hills, 1791.
Cóipeáladh chuig an ngearrthaisce go rathúil é
Níorbh fhéidir cóipeáil chuig an ngearrthaisce
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.