Palmer, A. R. BROWN'S SIGNALLING: HOW TO LEARN THE INTERNATIONAL CODE OF VISUAL AND SOUND SIGNALS.
Lua i Stíl Chicago (17ú heag.)Palmer, A. R. BROWN'S SIGNALLING: HOW TO LEARN THE INTERNATIONAL CODE OF VISUAL AND SOUND SIGNALS. 8TH ED. REVISED LBY A.R. PALMER. GLASGOW, BROWN, SON & FERGUSON, 1969. 223P.
Lua MLA (8ú heag.)Palmer, A. R. BROWN'S SIGNALLING: HOW TO LEARN THE INTERNATIONAL CODE OF VISUAL AND SOUND SIGNALS.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.