John Clark. (2019). Mad About Science: Light and Sound (Mad About Science) (UK ed.). Southwood Books.
Lua i Stíl Chicago (17ú heag.)John Clark. Mad About Science: Light and Sound (Mad About Science). UK ed. Southwood Books, 2019.
Lua MLA (9ú heag.)John Clark. Mad About Science: Light and Sound (Mad About Science). UK ed. Southwood Books, 2019.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.