Gaya APA

HIETIKKO-HAUTALA, T. (2011). The Kvarken Archipelago World Heritage Site echoes of the ice age . [s.l.]: Centre for Economic Development, Transport and the Environment for South Ostrobothnia.

Gaya MLA

HIETIKKO-HAUTALA, Tiina. "The Kvarken Archipelago World Heritage Site echoes of the ice age". [s.l.]: Centre for Economic Development, Transport and the Environment for South Ostrobothnia, 2011. Buku.