Gaya APA
Ker, W.P.. (1958).
The Dark ages / W.P. Ker .
:
A Mentor Book-The New American Library.
Gaya Chicago
Ker, W.P..
The Dark ages / W.P. Ker.
:
A Mentor Book-The New American Library,
1958.
Text.
Gaya MLA
Ker, W.P..
The Dark ages / W.P. Ker.
:
A Mentor Book-The New American Library,
1958.
Text.
Gaya Turabian
Ker, W.P..
The Dark ages / W.P. Ker.
:
A Mentor Book-The New American Library,
1958.
Print.