APA (7e ed.) Bronvermelding

Drooger, C. W. (1979). Problems of detailed biostratigraphic and magnetostratigraphic correlation in the Potamidha and Apostoli sections of the Cretan neogene. Dept. of Stratigraphy and Paleontology, State University of Utrecht.

Chicago (17e ed.) Bronvermelding

Drooger, C. W. Problems of Detailed Biostratigraphic and Magnetostratigraphic Correlation in the Potamidha and Apostoli Sections of the Cretan Neogene. Utrecht: Dept. of Stratigraphy and Paleontology, State University of Utrecht, 1979.

MLA (8e ed.) Bronvermelding

Drooger, C. W. Problems of Detailed Biostratigraphic and Magnetostratigraphic Correlation in the Potamidha and Apostoli Sections of the Cretan Neogene. Dept. of Stratigraphy and Paleontology, State University of Utrecht, 1979.