446396 Heathfield, D. (2005). Spontaneous speaking: Drama activities for confidence and fluency. Surrey : Delta Publishing.
Lua i Stíl Chicago (17ú heag.)446396 Heathfield, David. Spontaneous Speaking: Drama Activities for Confidence and Fluency. Surrey : Delta Publishing, 2005.
Lua MLA (9ú heag.)446396 Heathfield, David. Spontaneous Speaking: Drama Activities for Confidence and Fluency. Surrey : Delta Publishing, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.