Christensen, O. H. (1974). Mission mongolia, the untold story. Review and Herald.
Chicago Style aipamenaChristensen, Otto H. Mission Mongolia, the Untold Story. Review and Herald, 1974.
MLA aipamenaChristensen, Otto H. Mission Mongolia, the Untold Story. Review and Herald, 1974.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.