APA-čujuhus (7. p.)
Lehmann, W. P., & Malkiel, Y. (1968). Directions for historical linguistics: A symposium. University of Texas Press.
Chicago-čujuhus (17. p.)
Lehmann, Winfred P., juo Yakov Malkiel. Directions for Historical Linguistics: A Symposium. Austin, Texas: University of Texas Press, 1968.
MLA-čujuhus (9. p.)
Lehmann, Winfred P., juo Yakov Malkiel. Directions for Historical Linguistics: A Symposium. University of Texas Press, 1968.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.