Gaya APA
WILDERNESS, America's. (1998).
National geographic, vol.194, no.5, november 1998 .
:
.
Gaya Chicago
WILDERNESS, America's.
National geographic, vol.194, no.5, november 1998.
:
,
1998.
Text.
Gaya MLA
WILDERNESS, America's.
National geographic, vol.194, no.5, november 1998.
:
,
1998.
Text.
Gaya Turabian
WILDERNESS, America's.
National geographic, vol.194, no.5, november 1998.
:
,
1998.
Print.