APA-čujuhus (7. p.)
Harwood, H. H. (2003). Invisible giants: The empires of Cleveland's Van Sweringen brothers. Indiana University Press.
Chicago-čujuhus (17. p.)
Harwood, Herbert H. Invisible Giants: The Empires of Cleveland's Van Sweringen Brothers. Bloomington and Indianapolis: Indiana University Press, 2003.
MLA-čujuhus (9. p.)
Harwood, Herbert H. Invisible Giants: The Empires of Cleveland's Van Sweringen Brothers. Indiana University Press, 2003.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.