APA aipamena

Robert E. Dewey, J. A. G. Freedom its history, nature and varietas. The MacMillan Co.

Chicago Style aipamena

Robert E. Dewey, James A. Gould. Freedom Its History, Nature and Varietas. The MacMillan Co.

MLA aipamena

Robert E. Dewey, James A. Gould. Freedom Its History, Nature and Varietas. The MacMillan Co.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.