Gaya APA
Egeland, A., Burke, W, J.
(2005).
Kristian Birkeland
(
1st ed.)
.
Dordrecht:
Springer.
Gaya MLA
Egeland, Alv.., Burke, William, J..
"Kristian Birkeland".
1st ed.
Dordrecht:
Springer,
2005.
E Book.