Gaya APA
Conrad, J, (. (-1967).
The secret agent, (repr.). - Penguin, 2059. Tjet.pertama, 1907. .
(Harmondsworth):
Penguin Books.
Gaya MLA
Conrad, J., (1857-1924)..
"The secret agent, (repr.). - Penguin, 2059. Tjet.pertama, 1907. ".
(Harmondsworth):
Penguin Books,
-1967.
Buku.