Παραπομπή APA

David, M. (1977). Geostatistical Ore Reserve Estamination. Elsevier.

Παραπομπή Chicago Style

David, Michel. Geostatistical Ore Reserve Estamination. Amsterdam: Elsevier, 1977.

Παραπομπή MLA

David, Michel. Geostatistical Ore Reserve Estamination. Elsevier, 1977.