Gaya APA
Soil Microbial Ecology. (1993).
New York:
Marcel Dekker.
Gaya Chicago
Soil Microbial Ecology.
.
New York:
Marcel Dekker,
1993.
Buku.
Gaya MLA
Soil Microbial Ecology.
.
New York:
Marcel Dekker,
1993.
Buku.
Gaya Turabian
Soil Microbial Ecology.
New York:
Marcel Dekker,
1993.
Buku.