Stromberg, R. N. (., & Conkin, P. K. (1989). Heritage and challenge: The history and theory of history. Arlington Heights : Forum Press.
Chicago Style CitationStromberg, Roland N. (1916-2004), and Paul Keith Conkin. Heritage and Challenge: The History and Theory of History. Arlington Heights : Forum Press, 1989.
MLA CitationStromberg, Roland N. (1916-2004), and Paul Keith Conkin. Heritage and Challenge: The History and Theory of History. Arlington Heights : Forum Press, 1989.
Figyelmeztetés: Nem biztos, hogy ezek a forráshivatkozások 100%-ig pontosak.