Gaya APA
BILLINGS, Marland P.. (1954).
Structural Geology (2nd. ed.).
New York:
Prentice-Hall Inc.
Gaya Chicago
BILLINGS, Marland P..
Structural Geology.
2nd. ed.
New York:
Prentice-Hall Inc,
1954.
Teks.
Gaya MLA
BILLINGS, Marland P..
Structural Geology.
2nd. ed.
New York:
Prentice-Hall Inc,
1954.
Teks.
Gaya Turabian
BILLINGS, Marland P..
Structural Geology.
2nd. ed.
New York:
Prentice-Hall Inc,
1954.
Teks.