APA (7th ed.) Zitazioa
SCHUENGEL, C., & ET AL. (2010). PEOPLE WHO NEED PEOPLE: ATTACHMENT AND PROFESSIONAL CAREGIVING.
Chicago Style (17th ed.) Zitazioa
SCHUENGEL, C., eta ET AL. PEOPLE WHO NEED PEOPLE: ATTACHMENT AND PROFESSIONAL CAREGIVING. 2010.
MLA (9th ed.) Zitazioa
SCHUENGEL, C., eta ET AL. PEOPLE WHO NEED PEOPLE: ATTACHMENT AND PROFESSIONAL CAREGIVING. 2010.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.