Gaya APA
Environtmental permitting handbook. (2000).
New York:
Mc Graw Hill.
Gaya Chicago
Environtmental permitting handbook.
.
New York:
Mc Graw Hill,
2000.
Tesis.
Gaya MLA
Environtmental permitting handbook.
.
New York:
Mc Graw Hill,
2000.
Tesis.
Gaya Turabian
Environtmental permitting handbook.
New York:
Mc Graw Hill,
2000.
Tesis.