Gaya APA
Arcilla, J, S, S, (. (1990).
Jesuit missionary letters from Mindanao. Vol.I: The Rio Grande mission. .
Quezon City:
Philippine ProvArch.
Gaya MLA
Arcilla, José, S.,, SJ, (ed.).
"Jesuit missionary letters from Mindanao. Vol.I: The Rio Grande mission. ".
Quezon City:
Philippine ProvArch,
1990.
Buku.