Me pēnei te tohu i te whārangi:

Michael Cooper. Related biographies for 'Babich, Josip Petrov', Dictionary of New Zealand Biography, first published in 1998. Te Ara - the Encyclopedia of New Zealand, https://teara.govt.nz/mi/biographies/4b1/babich-josip-petrov/related-biographies (accessed 24 September 2023)