Gaya APA
Ritsema, A.
(1972).
The Upper Mantle; Development In Geotectonic 4
.
Amsterdam:
ELSEVIER PUBLISHING COMPANY.
Gaya MLA
Ritsema, A.R.
"The Upper Mantle; Development In Geotectonic 4".
Amsterdam:
ELSEVIER PUBLISHING COMPANY,
1972.
Text.