Burde, G., Zieschang, H., & Heusener, M. (2013). Knots (Third, fully revised and extended edition.). Walter de Gruyter GmbH & Co. KG.
Chicago-čujuhus (17. p.)Burde, Gerhard, Heiner Zieschang, juo Michael Heusener. Knots. Third, fully revised and extended edition. Berlin ; Boston: Walter de Gruyter GmbH & Co. KG, 2013.
MLA-čujuhus (9. p.)Burde, Gerhard, et al. Knots. Third, fully revised and extended edition. Walter de Gruyter GmbH & Co. KG, 2013.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.