APA (7th ed.) Zitazioa
ebrary, Inc, & Sousa, L. (2009). Families in later life: Emerging themes and challenges. Nova Science Publishers.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, eta Lillian Sousa. Families in Later Life: Emerging Themes and Challenges. New York: Nova Science Publishers, 2009.
MLA (9th ed.) Zitazioa
ebrary, Inc, eta Lillian Sousa. Families in Later Life: Emerging Themes and Challenges. Nova Science Publishers, 2009.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.