APA Style
Stevenson, F., J., Cole, M., A. (1999).
Cycles of soil: carbon, nitrogen, phosphorus, sulfur, micronutrients (Ed. ii).
new york:
Pt Gramedia Pustaka Utama.
MLA Style
Stevenson, F., J., Cole, M., A..
Cycles of soil: carbon, nitrogen, phosphorus, sulfur, micronutrients.
Ed. ii
new york:
Pt Gramedia Pustaka Utama,
1999.
Text.