ebrary, Inc, Crummey, R. O., & Berry, L. E. (1968). Rude & barbarous kingdom: Russia in the accounts of sixteenth-century English voyagers. University of Wisconsin Press.
Chicago-referens (17:e uppl.)ebrary, Inc, Robert O. Crummey, och Lloyd E. Berry. Rude & Barbarous Kingdom: Russia in the Accounts of Sixteenth-century English Voyagers. Madison: University of Wisconsin Press, 1968.
MLA-referens (9:e uppl.)ebrary, Inc, et al. Rude & Barbarous Kingdom: Russia in the Accounts of Sixteenth-century English Voyagers. University of Wisconsin Press, 1968.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.