Forchheimer, S. (1972). Scanning electron microscope studies of Cretaceous coccoliths from the Köpingsberg Borehole No. 1, SE Sweden. [Sveriges geologiska undersökning].
Chicagoスタイル(17版)引用形式Forchheimer, Sylvia. Scanning Electron Microscope Studies of Cretaceous Coccoliths from the Köpingsberg Borehole No. 1, SE Sweden. Stockholm: [Sveriges geologiska undersökning], 1972.
MLA(8版)引用形式Forchheimer, Sylvia. Scanning Electron Microscope Studies of Cretaceous Coccoliths from the Köpingsberg Borehole No. 1, SE Sweden. [Sveriges geologiska undersökning], 1972.
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