Ullrich, Jan (编). New Lakota Dictionary 2nd. Bloomington, IN: Lakota Language Consortium. 2011: 607, 626, 883. ISBN 978-0-9761082-9-0. LCCN 2008922508.
respec.com
lowercheyenne.respec.com
Archived copy(PDF). [2010-11-14]. (原始内容(PDF)存档于2011-07-15). Cheyenne River Phase I TMDL Assessment