APA aipamena

Graves, D. H., & Sunstein, B. S. Portfolio portraits.

Chicago Style aipamena

Graves, Donald H., and Bonnie S. Sunstein. Portfolio Portraits.

MLA aipamena

Graves, Donald H., and Bonnie S. Sunstein. Portfolio Portraits.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.