(1999). Business chinese (elementary). China, Sinolingua, 1999.
Cita Chicago (17th ed.)Business Chinese (elementary). China, Sinolingua, 1999, 1999.
Cita MLA (9th ed.)Business Chinese (elementary). China, Sinolingua, 1999, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.