Patterson, R. L., & Patterson, R. L. Notes on some of the swimming birds frequenting Belfast Lough.
Lua i Stíl Chicago (17ú heag.)Patterson, R. Lloyd, agus R. Loyd Patterson. Notes on Some of the Swimming Birds Frequenting Belfast Lough.
Lua MLA (9ú heag.)Patterson, R. Lloyd, agus R. Loyd Patterson. Notes on Some of the Swimming Birds Frequenting Belfast Lough.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
