(1980). Medicinal and aromatic plants. Springer- Verlag.
Chicago-čujuhus (17. p.)Medicinal and Aromatic Plants. Berlin: Springer- Verlag, 1980.
MLA-čujuhus (9. p.)Medicinal and Aromatic Plants. Springer- Verlag, 1980.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.