Gaya APA
Jaspers, Karl, E.B.Ashton. (1961).
The Future of Mankind (1).
London:
.
Gaya Chicago
Jaspers, Karl, E.B.Ashton.
The Future of Mankind.
1
London:
,
1961.
Text.
Gaya MLA
Jaspers, Karl, E.B.Ashton.
The Future of Mankind.
1
London:
,
1961.
Text.
Gaya Turabian
Jaspers, Karl, E.B.Ashton.
The Future of Mankind.
1
London:
,
1961.
Print.