John Clark. (2019). Mad About Science: Light and Sound (Mad About Science) (UK ed.). Southwood Books.
Chicago-čujuhus (17. p.)John Clark. Mad About Science: Light and Sound (Mad About Science). UK ed. Southwood Books, 2019.
MLA-čujuhus (9. p.)John Clark. Mad About Science: Light and Sound (Mad About Science). UK ed. Southwood Books, 2019.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.