APA aipamena

Rosemary Border. (1998). Factfiles: Recycling. Oxford: Oxford Univ. Press.

Chicago Style aipamena

Rosemary Border. Factfiles: Recycling. Oxford: Oxford Univ. Press, 1998.

MLA aipamena

Rosemary Border. Factfiles: Recycling. Oxford: Oxford Univ. Press, 1998.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.