APA-ийн эшлэл(7 дахь хэвлэлт)

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

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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

MLA -ийн эшлэл (9 дэх хэвлэлт)

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