World AIDS Conference. (1998). Bridging the gap: 12th World AIDS Conference : conference record.
Chicago-Zitierstil (17. Ausg.)World AIDS Conference. Bridging the Gap: 12th World AIDS Conference : Conference Record. Genf, 1998.
MLA-Zitierstil (8. Ausg.)World AIDS Conference. Bridging the Gap: 12th World AIDS Conference : Conference Record. 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.