Lua APA (7ú heag.)

ARHOLD , E. (1981). HOW THE CRAB GOT A HARD BACK. EDWARD ARNOLD.

Lua i Stíl Chicago (17ú heag.)

ARHOLD , EDWARD. HOW THE CRAB GOT A HARD BACK. LONDON: EDWARD ARNOLD, 1981.

Lua MLA (9ú heag.)

ARHOLD , EDWARD. HOW THE CRAB GOT A HARD BACK. EDWARD ARNOLD, 1981.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.