Gaya APA
Hopper, Leonard J.. (c2011).
Graphic standards field guide to softscape .
nju:
Wiley.
Gaya Chicago
Hopper, Leonard J..
Graphic standards field guide to softscape.
nju:
Wiley,
c2011.
Buku.
Gaya MLA
Hopper, Leonard J..
Graphic standards field guide to softscape.
nju:
Wiley,
c2011.
Buku.
Gaya Turabian
Hopper, Leonard J..
Graphic standards field guide to softscape.
nju:
Wiley,
c2011.
Buku.