Lehrer, R. N. (1957). Work simplification: Creative thinking about work problems. Prentice-Hall.
Chicagoスタイル(17版)引用形式Lehrer, Robert N. Work Simplification: Creative Thinking About Work Problems. Englewood Cliffs, N.J: Prentice-Hall, 1957.
MLA(9版)引用形式Lehrer, Robert N. Work Simplification: Creative Thinking About Work Problems. Prentice-Hall, 1957.
警告: この引用は必ずしも正確ではありません.