(1995). Emerging Frontiers of urban settlement. M.D. Pub.
Chicago Style (17th ed.) ZitazioaEmerging Frontiers of Urban Settlement. New Delhi: M.D. Pub, 1995.
MLA (9th ed.) ZitazioaEmerging Frontiers of Urban Settlement. M.D. Pub, 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.