Gaya APA
Soils and the greenhouse effect. (1992).
New York:
John Wiley & Sons.
Gaya Chicago
Soils and the greenhouse effect.
text.
New York:
John Wiley & Sons,
1992.
Tesis.
Gaya MLA
Soils and the greenhouse effect.
text.
New York:
John Wiley & Sons,
1992.
Tesis.
Gaya Turabian
Soils and the greenhouse effect.
New York:
John Wiley & Sons,
1992.
Tesis.