Bold, H. C. (1968). The plant kingdom (2nd ed.). Prentice-Hall.
Chicago-čujuhus (17. p.)Bold, Harold C. The Plant Kingdom. 2nd ed. New Delhi: Prentice-Hall, 1968.
MLA-čujuhus (9. p.)Bold, Harold C. The Plant Kingdom. 2nd ed. Prentice-Hall, 1968.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.