Roe, G., & Allen, M. (1999). A comparison of competing explanations for the 100,000-yr ice age cycle.
Citazione stile Chigago Style (17a edizione)Roe, G., e M. Allen. A Comparison of Competing Explanations for the 100,000-yr Ice Age Cycle. 1999.
Citatione MLA (9a ed.)Roe, G., e M. Allen. A Comparison of Competing Explanations for the 100,000-yr Ice Age Cycle. 1999.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.