Braithwaite, V., & Guilford, T. (1993). RECOGNITION OF FAMILIAR VISUAL LANDMARKS IN HOMING PIGEONS.
Lua i Stíl Chicago (17ú heag.)Braithwaite, V., agus T. Guilford. RECOGNITION OF FAMILIAR VISUAL LANDMARKS IN HOMING PIGEONS. 1993.
Lua MLA (9ú heag.)Braithwaite, V., agus T. Guilford. RECOGNITION OF FAMILIAR VISUAL LANDMARKS IN HOMING PIGEONS. 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.