White Hat, A., & Kampfe, J. (1999). Reading and writing the Lakota language =: Lak̇ot̄a iyap̄i un̳ wowap̄i nahan̳ yawap̄i. Salt Lake City: University of Utah Press.

White Hat, Albert., and Jael Kampfe. Reading and Writing the Lakota Language =: Lak̇ot̄a Iyap̄i Un̳ Wowap̄i Nahan̳ Yawap̄i. Salt Lake City: University of Utah Press, 1999.

White Hat, Albert., and Jael Kampfe. Reading and Writing the Lakota Language =: Lak̇ot̄a Iyap̄i Un̳ Wowap̄i Nahan̳ Yawap̄i. Salt Lake City: University of Utah Press, 1999.