Gaya APA
Buchan, John. (1994).
The Thirty-Nine Steps .
London:
Penguin Books.
Gaya Chicago
Buchan, John.
The Thirty-Nine Steps.
London:
Penguin Books,
1994.
Text Book.
Gaya MLA
Buchan, John.
The Thirty-Nine Steps.
London:
Penguin Books,
1994.
Text Book.
Gaya Turabian
Buchan, John.
The Thirty-Nine Steps.
London:
Penguin Books,
1994.
Text Book.