Dopp, K. E. (1923). The early herdsmen. Rand, McNally.
Lua i Stíl Chicago (17ú heag.)Dopp, Katharine Elizabeth. The Early Herdsmen. Chicago ; New York [etc.]: Rand, McNally, 1923.
Lua MLA (8ú heag.)Dopp, Katharine Elizabeth. The Early Herdsmen. Rand, McNally, 1923.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.