Gaya APA
LE BAS, Michael John. (1977).
Carbonatite-Nephelinite Volcanism : An African Case History .
Sebastopol, CA:
John Wiley.
Gaya Chicago
LE BAS, Michael John.
Carbonatite-Nephelinite Volcanism : An African Case History.
Sebastopol, CA:
John Wiley,
1977.
.
Gaya MLA
LE BAS, Michael John.
Carbonatite-Nephelinite Volcanism : An African Case History.
Sebastopol, CA:
John Wiley,
1977.
.
Gaya Turabian
LE BAS, Michael John.
Carbonatite-Nephelinite Volcanism : An African Case History.
Sebastopol, CA:
John Wiley,
1977.
.