Gaya APA
Sumartana, T. (1991).
Mission at the crossroads : indigenous churches, European Missionaries, Islamic... .
Jakarta:
BPK Gunung Mulia.
Gaya MLA
Sumartana, Th.
"Mission at the crossroads : indigenous churches, European Missionaries, Islamic...".
Jakarta:
BPK Gunung Mulia,
1991.
Text.