Roe, G., & Allen, M. (1999). A comparison of competing explanations for the 100,000-yr ice age cycle.
Lua i Stíl Chicago (17ú heag.)Roe, G., agus M. Allen. A Comparison of Competing Explanations for the 100,000-yr Ice Age Cycle. 1999.
Lua MLA (9ú heag.)Roe, G., agus M. Allen. A Comparison of Competing Explanations for the 100,000-yr Ice Age Cycle. 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.