Open University, Johnson, J., & Slater, R. (1993). Ageing and later life. Sage Publications.
Chicagoスタイル(17版)引用形式Open University, Julia Johnson, , Robert Slater. Ageing and Later Life. London ; Thousand Oaks, Calif.: Sage Publications, 1993.
MLA(8版)引用形式Open University, et al. Ageing and Later Life. Sage Publications, 1993.
警告: この引用は必ずしも正確ではありません.