SURYADIPUTRA, W. (1992). Speaking upper-intermediate: Study guide.-- ed.1. UT LP3B and Oxford English.
Chicago-čujuhus (17. p.)SURYADIPUTRA, Wendy. Speaking Upper-intermediate: Study Guide.-- Ed.1. Jakarta: UT LP3B and Oxford English, 1992.
MLA-čujuhus (9. p.)SURYADIPUTRA, Wendy. Speaking Upper-intermediate: Study Guide.-- Ed.1. UT LP3B and Oxford English, 1992.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.