Gaya APA
McKibben, Bill. (2008).
American Earth : Environmental Writing Since Thoreau .
United States of America:
Penguin Group.
Gaya Chicago
McKibben, Bill.
American Earth : Environmental Writing Since Thoreau.
United States of America:
Penguin Group,
2008.
Teks.
Gaya MLA
McKibben, Bill.
American Earth : Environmental Writing Since Thoreau.
United States of America:
Penguin Group,
2008.
Teks.
Gaya Turabian
McKibben, Bill.
American Earth : Environmental Writing Since Thoreau.
United States of America:
Penguin Group,
2008.
Teks.