Gaya APA
Raven, Peter H.. (2015).
Environment (Ninth edition.).
nju:
WileyPublishing.
Gaya Chicago
Raven, Peter H..
Environment.
Ninth edition.
nju:
WileyPublishing,
2015.
Buku.
Gaya MLA
Raven, Peter H..
Environment.
Ninth edition.
nju:
WileyPublishing,
2015.
Buku.
Gaya Turabian
Raven, Peter H..
Environment.
Ninth edition.
nju:
WileyPublishing,
2015.
Buku.