APA (7e ed.) Bronvermelding

ebrary, Inc, & Sousa, L. (2009). Families in later life: Emerging themes and challenges. Nova Science Publishers.

Chicago (17e ed.) Bronvermelding

ebrary, Inc, en Lillian Sousa. Families in Later Life: Emerging Themes and Challenges. New York: Nova Science Publishers, 2009.

MLA (9e ed.) Bronvermelding

ebrary, Inc, en Lillian Sousa. Families in Later Life: Emerging Themes and Challenges. Nova Science Publishers, 2009.