Rice, G. (1996). The Gardener's guide to perennials. Reed Internationals.
Chicago-čujuhus (17. p.)Rice, Graham. The Gardener's Guide to Perennials. London: Reed Internationals, 1996.
MLA-čujuhus (9. p.)Rice, Graham. The Gardener's Guide to Perennials. Reed Internationals, 1996.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.