Ch Lemmens Gerard W. & Brewers Supply Group. The breeding and parentage of hop varieties.
Chicago-čujuhus (17. p.)Ch Lemmens Gerard W. juo Brewers Supply Group. The Breeding and Parentage of Hop Varieties.
MLA-čujuhus (9. p.)Ch Lemmens Gerard W. juo Brewers Supply Group. The Breeding and Parentage of Hop Varieties.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.