APA-čujuhus (7. p.)

Educational Testing Service. ETS research report series. Educational Testing Service.

Chicago-čujuhus (17. p.)

Educational Testing Service. ETS Research Report Series. Princeton, N.J.: Educational Testing Service.

MLA-čujuhus (9. p.)

Educational Testing Service. ETS Research Report Series. Educational Testing Service.

Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.