Gaya APA
Chanlett, Emil T.. (1979).
Environmental protection / Emil T. Chanlett (2nd ed.).
New York:
McGraw-Hill.
Gaya Chicago
Chanlett, Emil T..
Environmental protection / Emil T. Chanlett.
2nd ed.
New York:
McGraw-Hill,
1979.
.
Gaya MLA
Chanlett, Emil T..
Environmental protection / Emil T. Chanlett.
2nd ed.
New York:
McGraw-Hill,
1979.
.
Gaya Turabian
Chanlett, Emil T..
Environmental protection / Emil T. Chanlett.
2nd ed.
New York:
McGraw-Hill,
1979.
.