Palen, J. J. (1992). The urban world (4th ed.). McGraw - Hill.
Tohutoru Kātū Chicago (17th ed.)Palen, John J. The Urban World. 4th ed. New York: McGraw - Hill, 1992.
Tohutoro MLA (9th ed.)Palen, John J. The Urban World. 4th ed. McGraw - Hill, 1992.
Kia tūpato: Kāore pea ēnei kupu hautoa i te ōrite pū 100%.