Okun, M. A. (1982). Programs for older adults. Jossey-Bass Inc..
Chicagoスタイル(17版)引用形式Okun, Morris A. Programs for Older Adults. San Francisco: Jossey-Bass Inc., 1982.
MLA(9版)引用形式Okun, Morris A. Programs for Older Adults. Jossey-Bass Inc., 1982.
警告: この引用は必ずしも正確ではありません.