Southworth, G. V. D., & Southworth, J. V. D. (1934). America's old world background: The myths of the Greeks and Norsemen, the story of early man, and the history of the old world from the dawn of civilization through the period of exploration. Iroquois.
Παραπομπή σε μορφή Chicago (17η εκδ.)Southworth, Gertrude Van Duyn, και John Van Duyn Southworth. America's Old World Background: The Myths of the Greeks and Norsemen, the Story of Early Man, and the History of the Old World from the Dawn of Civilization Through the Period of Exploration. Syracuse, N.Y.: Iroquois, 1934.
Παραπομπή σε μορφή MLA (8th εκδ.)Southworth, Gertrude Van Duyn, και John Van Duyn Southworth. America's Old World Background: The Myths of the Greeks and Norsemen, the Story of Early Man, and the History of the Old World from the Dawn of Civilization Through the Period of Exploration. Iroquois, 1934.