Gaya APA
billings, M, P.
(1954).
structural geology
(
1954)
.
Japan:
Englewoods Cliff : Prentice-Hall, Inc.,.
Gaya MLA
billings, Marland, P..
"structural geology".
1954
Japan:
Englewoods Cliff : Prentice-Hall, Inc.,,
1954.
Text.