Lukešová, Hana (June 2017). "Identifying plant fibre textiles from Norwegian Merovingian Period and Viking Age graves: The Late Iron Age Collection of the University Museum of Bergen". Journal of Archaeological Science: Reports. 13: 281–285. doi:10.1016/j.jasrep.2017.03.051.
health.govt.nz
"Stinging nettles". Ministry of Health. 18 September 2014. Diakses tanggal 4 May 2019.