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.
Lua i Stíl Chicago (17ú heag.)Southworth, Gertrude Van Duyn, agus 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.
Lua MLA (8ú heag.)Southworth, Gertrude Van Duyn, agus 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.