Gaya APA
Use and misure of earth's surface. (1981).
California:
William Kaufmann.
Gaya Chicago
Use and misure of earth's surface.
text.
California:
William Kaufmann,
1981.
Tesis.
Gaya MLA
Use and misure of earth's surface.
text.
California:
William Kaufmann,
1981.
Tesis.
Gaya Turabian
Use and misure of earth's surface.
California:
William Kaufmann,
1981.
Tesis.