Gaya APA
NEBEL, Bernard J.. (1993).
Environmental Science The Way The World Works (3rd ed.).
New Jersey:
Prentice Hall.
Gaya Chicago
NEBEL, Bernard J..
Environmental Science The Way The World Works.
3rd ed.
New Jersey:
Prentice Hall,
1993.
Teks.
Gaya MLA
NEBEL, Bernard J..
Environmental Science The Way The World Works.
3rd ed.
New Jersey:
Prentice Hall,
1993.
Teks.
Gaya Turabian
NEBEL, Bernard J..
Environmental Science The Way The World Works.
3rd ed.
New Jersey:
Prentice Hall,
1993.
Teks.