Gaya APA
Hawley, Amos H.. (1990).
Human Ecology .
New York:
THE RONALD PRESS.
Gaya Chicago
Hawley, Amos H..
Human Ecology.
New York:
THE RONALD PRESS,
1990.
Teks.
Gaya MLA
Hawley, Amos H..
Human Ecology.
New York:
THE RONALD PRESS,
1990.
Teks.
Gaya Turabian
Hawley, Amos H..
Human Ecology.
New York:
THE RONALD PRESS,
1990.
Teks.