Gaya APA
Plant ecology and soil science. (1985).
New Delhi:
s.chand.
Gaya Chicago
Plant ecology and soil science.
.
New Delhi:
s.chand,
1985.
Buku.
Gaya MLA
Plant ecology and soil science.
.
New Delhi:
s.chand,
1985.
Buku.
Gaya Turabian
Plant ecology and soil science.
New Delhi:
s.chand,
1985.
Buku.