Cita APA (7th ed.)

OXLADE CHRIS. (2019). MAKING MACHINES WITH RAMPS AND WEDGES (2018 Ed.). RAINTREE PUBLISHERS.

Cita Chicago (17th ed.)

OXLADE CHRIS. MAKING MACHINES WITH RAMPS AND WEDGES. 2018 Ed. CHICAGO: RAINTREE PUBLISHERS, 2019.

Cita MLA (9th ed.)

OXLADE CHRIS. MAKING MACHINES WITH RAMPS AND WEDGES. 2018 Ed. RAINTREE PUBLISHERS, 2019.