Robertson, D. B. (1968). Should churches be taxed? Westminster Press.
Chicago Style aipamenaRobertson, D. B. Should Churches Be Taxed? Philadelphia: Westminster Press, 1968.
MLA aipamenaRobertson, D. B. Should Churches Be Taxed? Westminster Press, 1968.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.