Robinson, G. P., & Jaques, A. L. (1974). Explanatory notes on the Karkar Island geological sheet. Dept. of Lands, Surveys and Mines.
Lua i Stíl Chicago (17ú heag.)Robinson, G. P., agus A. L. Jaques. Explanatory Notes on the Karkar Island Geological Sheet. [Port Moresby]: Dept. of Lands, Surveys and Mines, 1974.
Lua MLA (9ú heag.)Robinson, G. P., agus A. L. Jaques. Explanatory Notes on the Karkar Island Geological Sheet. Dept. of Lands, Surveys and Mines, 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.