Παραπομπή APA

Harper, C. T. Geochronology: : radiometric dating of rocks and minerals.

Παραπομπή Chicago Style

Harper, C T. Geochronology: : Radiometric Dating of Rocks and Minerals.

Παραπομπή MLA

Harper, C T. Geochronology: : Radiometric Dating of Rocks and Minerals.