Gaya APA
The biological management of tropical soil fertility. (1997).
New York:
John Wiley and sons.
Gaya Chicago
The biological management of tropical soil fertility.
.
New York:
John Wiley and sons,
1997.
.
Gaya MLA
The biological management of tropical soil fertility.
.
New York:
John Wiley and sons,
1997.
.
Gaya Turabian
The biological management of tropical soil fertility.
New York:
John Wiley and sons,
1997.
.