ebrary, Inc, & Sousa, L. (2009). Families in later life: Emerging themes and challenges. Nova Science Publishers.
芝加哥风格引文ebrary, Inc, 与 Lillian Sousa. Families in Later Life: Emerging Themes and Challenges. New York: Nova Science Publishers, 2009.
MLA引文ebrary, Inc, 与 Lillian Sousa. Families in Later Life: Emerging Themes and Challenges. Nova Science Publishers, 2009.
警告：这些引文格式不一定是100％准确.