Gaya APA
CLARK, D, H., Stephenson, F, R.
(1979).
THE HISTORICAL SUPERNOVAE
.
Oxford:
PERGAMON PRESS, Oxford.
Gaya MLA
CLARK, David, H.., Stephenson, F., Richard..
"THE HISTORICAL SUPERNOVAE".
Oxford:
PERGAMON PRESS, Oxford,
1979.
Textbook.