Gaya APA
Brooke, C.
(1963).
The investiture disputes, repr. Penerbitan asli 1958.
.
[London]:
Routledge & Kegan Paul.
Gaya MLA
Brooke, C.N.L..
"The investiture disputes, repr. Penerbitan asli 1958. ".
[London]:
Routledge & Kegan Paul,
1963.
Buku.