Leas, S. (1978). Time management: A working guide for church leaders. Abingdon Press.
Chicagoスタイル(17版)引用形式Leas, Speed. Time Management: A Working Guide for Church Leaders. Nashville: Abingdon Press, 1978.
MLA(8版)引用形式Leas, Speed. Time Management: A Working Guide for Church Leaders. Abingdon Press, 1978.
警告: この引用は必ずしも正確ではありません.