Cita APA (7th ed.)
O CARROLL, M. HOW WE SET UP A TEENAGERS' SERVICE.
Cita Chicago (17th ed.)
O CARROLL, M.F. HOW WE SET UP A TEENAGERS' SERVICE.
Cita MLA (9th ed.)
O CARROLL, M.F. HOW WE SET UP A TEENAGERS' SERVICE.
Atenció: Aquestes cites poden no estar 100% correctes.