Barnes, C. E. (1970). Selected ministerial statements on Papua and New Guinea 1969-70. Dept. of External Territories.
Lua i Stíl Chicago (17ú heag.)Barnes, C. E. Selected Ministerial Statements on Papua and New Guinea 1969-70. [Canberra: Dept. of External Territories, 1970.
Lua MLA (8ú heag.)Barnes, C. E. Selected Ministerial Statements on Papua and New Guinea 1969-70. Dept. of External Territories, 1970.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.