Gaya APA
Greene, G, , , , , ). (-1967).
The confidential agent, (repr.). - Penguin, 1895. Tjet. pertama, 1939. .
(Harmondsworth):
Penguin Books.
Gaya MLA
Greene, G.(1904-, , , , , )..
"The confidential agent, (repr.). - Penguin, 1895. Tjet. pertama, 1939. ".
(Harmondsworth):
Penguin Books,
-1967.
Buku.