Whitman County Genealogical Society, Eastern Washington Genealogical Society, & DeChenne, D. (1990). The Index to Tombstone inscriptions of Whitman County, Washington, Volumes I, II, & III with addendum. Whitman County Genealogical Society.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Whitman County Genealogical Society, Eastern Washington Genealogical Society, و Dale DeChenne. The Index to Tombstone Inscriptions of Whitman County, Washington, Volumes I, II, & III with Addendum. Pullman, WA (P.O. Box 393, Pullman 99163-0393): Whitman County Genealogical Society, 1990.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Whitman County Genealogical Society, et al. The Index to Tombstone Inscriptions of Whitman County, Washington, Volumes I, II, & III with Addendum. Whitman County Genealogical Society, 1990.