Gaya APA
Oliver, R. (-1966).
The missionary factor in East Africa, (new impr. of 2nd ed.). Penerbitan asli 1952. .
(London):
Longmans.
Gaya MLA
Oliver, R..
"The missionary factor in East Africa, (new impr. of 2nd ed.). Penerbitan asli 1952. ".
(London):
Longmans,
-1966.
Buku.