एपीए उद्धरण

(1997). Cambridge first certificate examination practice 5: University of Cambridge Local Examinations Syndicate. Nxb Tp.HCM.

शिकागो स्टाइल उद्धरण

Cambridge First Certificate Examination Practice 5: University of Cambridge Local Examinations Syndicate. Nxb Tp.HCM, 1997.

एमएलए उद्धरण

Cambridge First Certificate Examination Practice 5: University of Cambridge Local Examinations Syndicate. Nxb Tp.HCM, 1997.