Gaya APA
Stevenson, F.J.. (1985).
Cycles of soil: carbon, nitrogen, phosphorus, sulfur, micronutrients .
New York:
John Wiley & Sons.
Gaya Chicago
Stevenson, F.J..
Cycles of soil: carbon, nitrogen, phosphorus, sulfur, micronutrients.
New York:
John Wiley & Sons,
1985.
.
Gaya MLA
Stevenson, F.J..
Cycles of soil: carbon, nitrogen, phosphorus, sulfur, micronutrients.
New York:
John Wiley & Sons,
1985.
.
Gaya Turabian
Stevenson, F.J..
Cycles of soil: carbon, nitrogen, phosphorus, sulfur, micronutrients.
New York:
John Wiley & Sons,
1985.
.