Gaya APA
Hardy, Ronald. (1981).
Rivers of darkness .
London:
Corgi Books.
Gaya Chicago
Hardy, Ronald.
Rivers of darkness.
London:
Corgi Books,
1981.
Text.
Gaya MLA
Hardy, Ronald.
Rivers of darkness.
London:
Corgi Books,
1981.
Text.
Gaya Turabian
Hardy, Ronald.
Rivers of darkness.
London:
Corgi Books,
1981.
Print.