Various. Encyclopaedia Britannica, 11th Edition, "Liquid Gases" to "Logar" Volume 16, Slice 7.
Chicago-čujuhus (17. p.)Various. Encyclopaedia Britannica, 11th Edition, "Liquid Gases" to "Logar" Volume 16, Slice 7.
MLA-čujuhus (9. p.)Various. Encyclopaedia Britannica, 11th Edition, "Liquid Gases" to "Logar" Volume 16, Slice 7.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.