Coster, H. P. (1945). The gravity field of the western and central Mediterranean. J.B. Wolters' uitgevers-maatschappij n.v..
Čikaški stil citiranja (17. izdanje)Coster, Hendrik Paulus. The Gravity Field of the Western and Central Mediterranean. Groningen-Batavia: J.B. Wolters' uitgevers-maatschappij n.v., 1945.
MLA način citiranja (8. izdanje)Coster, Hendrik Paulus. The Gravity Field of the Western and Central Mediterranean. J.B. Wolters' uitgevers-maatschappij n.v., 1945.
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