Gaya APA
Kappelmeyer, O., Haenel, R. (1974).
Geothermics With Special Reference to Application .
Berlin, Jerman:
Gebruder Borntraeger.
Gaya MLA
Kappelmeyer, O., Haenel, R..
"Geothermics With Special Reference to Application".
Berlin, Jerman:
Gebruder Borntraeger,
1974.
Textbook.