Helmholz, R. H. (2001). The ius commune in England: Four studies. Oxford University Press.
Chicago-čujuhus (17. p.)Helmholz, R. H. The Ius Commune in England: Four Studies. Oxford ; New York: Oxford University Press, 2001.
MLA-čujuhus (9. p.)Helmholz, R. H. The Ius Commune in England: Four Studies. Oxford University Press, 2001.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.