APA Style
Stevenson, F.J.. (1994).
Humus chemistry : genesis, composition, reactions (Ed. 2).
New York:
John Wiley & Sons.
Chicago Style
Stevenson, F.J..
Humus chemistry : genesis, composition, reactions.
Ed. 2
New York:
John Wiley & Sons,
1994.
Buku Teks.
MLA Style
Stevenson, F.J..
Humus chemistry : genesis, composition, reactions.
Ed. 2
New York:
John Wiley & Sons,
1994.
Buku Teks.
Turabian Style
Stevenson, F.J..
Humus chemistry : genesis, composition, reactions.
Ed. 2
New York:
John Wiley & Sons,
1994.
Buku Teks.