APA aipamena

Hoover, E. M. (1948). The Location of economic activity. McGraw-Hill Company.

Chicago Style aipamena

Hoover, Edgar M. The Location of Economic Activity. New York: McGraw-Hill Company, 1948.

MLA aipamena

Hoover, Edgar M. The Location of Economic Activity. McGraw-Hill Company, 1948.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.