Gaya APA
Krahl, J, S. (1964).
China missions in crisis, Bishop Laimbeckhoven and his times 1738-1787. Disertasi P.U.G. .
Roma:
PUG.
Gaya MLA
Krahl, J.,, S.J..
"China missions in crisis, Bishop Laimbeckhoven and his times 1738-1787. Disertasi P.U.G. ".
Roma:
PUG,
1964.
Buku.