Jauhari Vinnie. (2010). Services. OUP.
Cita Chicago (17th ed.)Jauhari Vinnie. Services. New Delhi: OUP, 2010.
Cita MLA (9th ed.)Jauhari Vinnie. Services. OUP, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)