Cita APA (7a ed.)

OXLADE CHRIS. MAKING MACHINES WITH SPRINGS (2015.). RAINTREE BOOKS PUBLISHING HOUSE.

Cita Chicago Style (17a ed.)

OXLADE CHRIS. MAKING MACHINES WITH SPRINGS. 2015. CHICAGO: RAINTREE BOOKS PUBLISHING HOUSE.

Cita MLA (9a ed.)

OXLADE CHRIS. MAKING MACHINES WITH SPRINGS. 2015. RAINTREE BOOKS PUBLISHING HOUSE.