WENTS FRITS W. (1980). PLANTS. TIME LIFE BOOKS.
Chicago-čujuhus (17. p.)WENTS FRITS W. PLANTS. HONGKONG: TIME LIFE BOOKS, 1980.
MLA-čujuhus (9. p.)WENTS FRITS W. PLANTS. TIME LIFE BOOKS, 1980.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.