Heywood, V. H., Brummitt, R. K., Culham, A., & Seberg, O. (2007). Flowering plant families of the world. Firefly Books.
Chicago-čujuhus (17. p.)Heywood, Vernon Hilton, R. K. Brummitt, A. Culham, juo O. Seberg. Flowering Plant Families of the World. New York, USA: Firefly Books, 2007.
MLA-čujuhus (9. p.)Heywood, Vernon Hilton, et al. Flowering Plant Families of the World. Firefly Books, 2007.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.