APA aipamena

Shafer,Thomas W. (1977). Urban growth and economics. Reston Publishing.

Chicago Style aipamena

Shafer,Thomas W. Urban Growth and Economics. Virginia: Reston Publishing, 1977.

MLA aipamena

Shafer,Thomas W. Urban Growth and Economics. Reston Publishing, 1977.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.