Cooke, R. (2007). Volcanoes in PNG: Documents, C1-C837. Pacific Manuscripts Bureau.
Dyfyniad Arddull ChicagoCooke, Robin. Volcanoes in PNG: Documents, C1-C837. Canberra, ACT: Pacific Manuscripts Bureau, 2007.
Dyfyniad MLACooke, Robin. Volcanoes in PNG: Documents, C1-C837. Pacific Manuscripts Bureau, 2007.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.