Gaya APA
Davis, C.
(-1968).
A question of conscience, (2nd impr.). Penerbitan asli 1967.
.
London:
Hodder and Stoughton.
Gaya MLA
Davis, Ch..
"A question of conscience, (2nd impr.). Penerbitan asli 1967. ".
London:
Hodder and Stoughton,
-1968.
Buku.