Kolaitis, M., & Manganari, E. (1971). Laboratory workbook: For tapes 1 to 80. American Language Institute.
Chicago-čujuhus (17. p.)Kolaitis, Marinna, juo Efthalia Manganari. Laboratory Workbook: For Tapes 1 to 80. Nueva York: American Language Institute, 1971.
MLA-čujuhus (9. p.)Kolaitis, Marinna, juo Efthalia Manganari. Laboratory Workbook: For Tapes 1 to 80. American Language Institute, 1971.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.