Gaya APA
Bryant, D. (1980).
In the gap, what it means to be a World Christian, 2nd ed. Cet.pertama 1979. .
Madison:
Inter-Varsity Missions.
Gaya MLA
Bryant, David..
"In the gap, what it means to be a World Christian, 2nd ed. Cet.pertama 1979. ".
Madison:
Inter-Varsity Missions,
1980.
Buku.