(1978). International symposium on chemistry of natural: Products; symposium papers. Academy of Sciences.
Chicago-čujuhus (17. p.)International Symposium on Chemistry of Natural: Products; Symposium Papers. Sofia, Bulgarian: Academy of Sciences, 1978.
MLA-čujuhus (9. p.)International Symposium on Chemistry of Natural: Products; Symposium Papers. Academy of Sciences, 1978.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.