Feddersen, E., Lüdtke, I., & Braun, H. (2009). Living for the elderly: A design manual. Boston : Birkhäuser.
Chicagoスタイル(17版)引用形式Feddersen, Eckhard, Insa Lüdtke, , Helmut Braun. Living for the Elderly: A Design Manual. Basel: Boston : Birkhäuser, 2009.
MLA(9版)引用形式Feddersen, Eckhard, et al. Living for the Elderly: A Design Manual. Boston : Birkhäuser, 2009.
警告: この引用は必ずしも正確ではありません.