Maier, R. (2007). Working Whith the Poor. Department of World Mission Andrews University.
Chicago Style aipamenaMaier, Rudi. Working Whith the Poor. Berrien Springs, Michigan: Department of World Mission Andrews University, 2007.
MLA aipamenaMaier, Rudi. Working Whith the Poor. Department of World Mission Andrews University, 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.