Gaya APA
Beaumont, E, A. (1999).
EXPLORING FOR OIL AND GAS TRAPS .
Tulsa, Oklahoma:
The American Association of Petroleum Geolo.
Gaya MLA
Beaumont, Edward, A..
"EXPLORING FOR OIL AND GAS TRAPS".
Tulsa, Oklahoma:
The American Association of Petroleum Geolo,
1999.
Text.