APA-ийн эшлэл(7 дахь хэвлэлт)

ebrary, Inc, Heumann, L., McCall, M. E., & Boldy, D. (2001). Empowering frail elderly people: Opportunities and impediments in housing, health, and support service delivery. Praeger.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

ebrary, Inc, Leonard Heumann, Mary E. McCall, ба Duncan Boldy. Empowering Frail Elderly People: Opportunities and Impediments in Housing, Health, and Support Service Delivery. Westport, CT: Praeger, 2001.

MLA -ийн эшлэл (9 дэх хэвлэлт)

ebrary, Inc, et al. Empowering Frail Elderly People: Opportunities and Impediments in Housing, Health, and Support Service Delivery. Praeger, 2001.