Lua APA (7ú heag.)

OXLADE CHRIS. (2019). MAKING MACHINES WITH PULLEYS (2018 Ed.). RAINTREE PUBLISHERS.

Lua i Stíl Chicago (17ú heag.)

OXLADE CHRIS. MAKING MACHINES WITH PULLEYS. 2018 Ed. CHICAGO: RAINTREE PUBLISHERS, 2019.

Lua MLA (9ú heag.)

OXLADE CHRIS. MAKING MACHINES WITH PULLEYS. 2018 Ed. RAINTREE PUBLISHERS, 2019.

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