APA aipamena

Alfaro M., M. (1993). The Conservation of Forest Resources: The challenge of this decade.

Chicago Style aipamena

Alfaro M., Marielos. The Conservation of Forest Resources: The Challenge of This Decade. 1993.

MLA aipamena

Alfaro M., Marielos. The Conservation of Forest Resources: The Challenge of This Decade. 1993.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.