Gaya APA
FRANK, Irene, BROWNSTONE, David. (1992).
The green encyclopedia An A-to-Z sourcebook of environmental concerns and solutions .
New York:
Prentice-Hall.
Gaya Chicago
FRANK, Irene, BROWNSTONE, David.
The green encyclopedia An A-to-Z sourcebook of environmental concerns and solutions.
New York:
Prentice-Hall,
1992.
.
Gaya MLA
FRANK, Irene, BROWNSTONE, David.
The green encyclopedia An A-to-Z sourcebook of environmental concerns and solutions.
New York:
Prentice-Hall,
1992.
.
Gaya Turabian
FRANK, Irene, BROWNSTONE, David.
The green encyclopedia An A-to-Z sourcebook of environmental concerns and solutions.
New York:
Prentice-Hall,
1992.
.