APA-referens

Green, R. E. (1998). Long-term decline in the thickness of eggshells of thrushes, Turdus spp., in Britain.

Chicago-stil citat

Green, R. E. Long-term Decline in the Thickness of Eggshells of Thrushes, Turdus Spp., in Britain. 1998.

MLA-referens

Green, R. E. Long-term Decline in the Thickness of Eggshells of Thrushes, Turdus Spp., in Britain. 1998.

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