APA-viite (7. p.)

Wacker, R. R., & Roberto, K. A. (2014). Community resources for older adults: Programs and services in an era of change (Fourth edition.). SAGE Publications.

Chicago-viite (17. p.)

Wacker, Robbyn R., ja Karen A. Roberto. Community Resources for Older Adults: Programs and Services in an Era of Change. Fourth edition. Los Angeles: SAGE Publications, 2014.

MLA-viite (9. p.)

Wacker, Robbyn R., ja Karen A. Roberto. Community Resources for Older Adults: Programs and Services in an Era of Change. Fourth edition. SAGE Publications, 2014.