Stewart, S. A. (1897). The Portrush raised beach.
Lua i Stíl Chicago (17ú heag.)Stewart, Samuel Alexander. The Portrush Raised Beach. 1897.
Lua MLA (9ú heag.)Stewart, Samuel Alexander. The Portrush Raised Beach. 1897.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
