APA (7th ed.) Zitazioa

Ditch, John, Barnes, Helen, & Bradshaw, Jonathan. (1998). Developments in national family policies in 1996. European Commission.

Chicago Style (17th ed.) Zitazioa

Ditch, John, Helen Barnes, eta Jonathan Bradshaw. Developments in National Family Policies in 1996. Londres: European Commission, 1998.

MLA (9th ed.) Zitazioa

Ditch, John, et al. Developments in National Family Policies in 1996. European Commission, 1998.