Gaya APA
Boulding, J. Russell. (1996).
EPA Environmental Assessment Sourcebook .
United States:
ANN ARBOR PRESS.
Gaya Chicago
Boulding, J. Russell.
EPA Environmental Assessment Sourcebook.
United States:
ANN ARBOR PRESS,
1996.
Teks.
Gaya MLA
Boulding, J. Russell.
EPA Environmental Assessment Sourcebook.
United States:
ANN ARBOR PRESS,
1996.
Teks.
Gaya Turabian
Boulding, J. Russell.
EPA Environmental Assessment Sourcebook.
United States:
ANN ARBOR PRESS,
1996.
Teks.