Gaya APA
Jarvis, Peter j. (2000).
Ecological Priciples and Environmental Issues .
Britain:
Pearson Education, New Jersey.
Gaya Chicago
Jarvis, Peter j.
Ecological Priciples and Environmental Issues.
Britain:
Pearson Education, New Jersey,
2000.
Buku.
Gaya MLA
Jarvis, Peter j.
Ecological Priciples and Environmental Issues.
Britain:
Pearson Education, New Jersey,
2000.
Buku.
Gaya Turabian
Jarvis, Peter j.
Ecological Priciples and Environmental Issues.
Britain:
Pearson Education, New Jersey,
2000.
Buku.