Gaya APA
Regens, James L., Rycroft, Robert W.. (1989).
Acid Rain Controversy .
Pittburgh:
UNIVERSITY OF PITTSBURGH PRESS.
Gaya Chicago
Regens, James L., Rycroft, Robert W..
Acid Rain Controversy.
Pittburgh:
UNIVERSITY OF PITTSBURGH PRESS,
1989.
.
Gaya MLA
Regens, James L., Rycroft, Robert W..
Acid Rain Controversy.
Pittburgh:
UNIVERSITY OF PITTSBURGH PRESS,
1989.
.
Gaya Turabian
Regens, James L., Rycroft, Robert W..
Acid Rain Controversy.
Pittburgh:
UNIVERSITY OF PITTSBURGH PRESS,
1989.
.