Gaya APA
a journey to the centre of the earth. (1969).
:
.
Gaya Chicago
a journey to the centre of the earth.
1.
:
,
1969.
.
Gaya MLA
a journey to the centre of the earth.
1.
:
,
1969.
.
Gaya Turabian
a journey to the centre of the earth.
:
,
1969.
.