Gaya APA
Crofts, F. (1936).
Mystery in the channel, [12 th impr.]. - The crime club, 2. Penerbitan asli 1931. .
London:
Collins.
Gaya MLA
Crofts, F.W..
"Mystery in the channel, [12 th impr.]. - The crime club, 2. Penerbitan asli 1931. ".
London:
Collins,
1936.
Buku.