Gaya APA
Allingham, M. (1961).
The case of the late pig, (repr). - Penguin, 276 Tjet.pertama, 1937 .
Harmondsworth:
Penguin Books.
Gaya MLA
Allingham, M..
"The case of the late pig, (repr). - Penguin, 276 Tjet.pertama, 1937 ".
Harmondsworth:
Penguin Books,
1961.
Buku.