Cita APA (7th ed.)
Alistair Barros, D. O. Handbook of Service Description: USDL and Its Methods. Springer.
Cita Chicago (17th ed.)
Alistair Barros, Daniel Oberle. Handbook of Service Description: USDL and Its Methods. Nueva York, EUA: Springer.
Cita MLA (9th ed.)
Alistair Barros, Daniel Oberle. Handbook of Service Description: USDL and Its Methods. Springer.
Atenció: Aquestes cites poden no estar 100% correctes.