Gaya APA
Harper, C, T. (1973).
Geochronology Radiometric Dating of Rocks and Minerals .
Stroudslarg:
Dowden,Hutchinson & Ross Inc..
Gaya MLA
Harper, C, T.
"Geochronology Radiometric Dating of Rocks and Minerals".
Stroudslarg:
Dowden,Hutchinson & Ross Inc.,
1973.
Text.