Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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