von Roedern, B. Photovoltaic Cell and Module Technologies II. SPIE Digital Library.
Chicago-čujuhus (17. p.)von Roedern, Bolko. Photovoltaic Cell and Module Technologies II. SPIE Digital Library.
MLA-čujuhus (9. p.)von Roedern, Bolko. Photovoltaic Cell and Module Technologies II. SPIE Digital Library.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.