Cita APA

RIDGLEY, D. C. (1938). Influence Of Geographiiiy On Our Economic Life Douglas C. Ridgley And Sidney E. Ekblaw. The Gregg.

Chicago Style (17th ed.) Citation

RIDGLEY, Douglas C. Influence Of Geographiiiy On Our Economic Life Douglas C. Ridgley And Sidney E. Ekblaw. The Gregg, 1938.

Cita MLA

RIDGLEY, Douglas C. Influence Of Geographiiiy On Our Economic Life Douglas C. Ridgley And Sidney E. Ekblaw. The Gregg, 1938.

Atenció: Aquestes cites poden no estar 100% correctes.