Gaya APA
Popper, Karl R. (1964).
The Poverty of historicism .
New York:
Harper & row.
Gaya Chicago
Popper, Karl R.
The Poverty of historicism.
New York:
Harper & row,
1964.
Text.
Gaya MLA
Popper, Karl R.
The Poverty of historicism.
New York:
Harper & row,
1964.
Text.
Gaya Turabian
Popper, Karl R.
The Poverty of historicism.
New York:
Harper & row,
1964.
Print.