Gaya APA
Plants and Environment. (1974).
New York:
John Wiley&Sons.
Gaya Chicago
Plants and Environment.
.
New York:
John Wiley&Sons,
1974.
Buku.
Gaya MLA
Plants and Environment.
.
New York:
John Wiley&Sons,
1974.
Buku.
Gaya Turabian
Plants and Environment.
New York:
John Wiley&Sons,
1974.
Buku.