Hancock, B. L. (1987). Social work with older people. Prentice-Hall.
Chicagoスタイル(17版)引用形式Hancock, Betsy Ledbetter. Social Work with Older People. Englewood Cliffs: Prentice-Hall, 1987.
MLA(9版)引用形式Hancock, Betsy Ledbetter. Social Work with Older People. Prentice-Hall, 1987.
警告: この引用は必ずしも正確ではありません.