Gaya APA
Davis, Mackenzie L.. (1998).
Introduction to environmental (text).
Boston:
McGraw hill.
Gaya Chicago
Davis, Mackenzie L..
Introduction to environmental.
text
Boston:
McGraw hill,
1998.
.
Gaya MLA
Davis, Mackenzie L..
Introduction to environmental.
text
Boston:
McGraw hill,
1998.
.
Gaya Turabian
Davis, Mackenzie L..
Introduction to environmental.
text
Boston:
McGraw hill,
1998.
.