Cyssco, d. r. (2000). English grammar practice for toefl: Persiapan tes. Puspa Swara.
Chicago-čujuhus (17. p.)Cyssco, dhanny r. English Grammar Practice for Toefl: Persiapan Tes. Puspa Swara, 2000.
MLA-čujuhus (9. p.)Cyssco, dhanny r. English Grammar Practice for Toefl: Persiapan Tes. Puspa Swara, 2000.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.