Cita APA (7th ed.)

Palmer, A. R. BROWN'S SIGNALLING: HOW TO LEARN THE INTERNATIONAL CODE OF VISUAL AND SOUND SIGNALS.

Cita Chicago (17th ed.)

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.

Cita MLA (8th ed.)

Palmer, A. R. BROWN'S SIGNALLING: HOW TO LEARN THE INTERNATIONAL CODE OF VISUAL AND SOUND SIGNALS.