KHANNA, O. (1992). WORK STUDY TIME AND MOTION STUDY. DHANPAT RAI.
Chicagoスタイル(17版)引用形式KHANNA, O.P. WORK STUDY TIME AND MOTION STUDY. NEW DELHI: DHANPAT RAI, 1992.
MLA(9版)引用形式KHANNA, O.P. WORK STUDY TIME AND MOTION STUDY. DHANPAT RAI, 1992.
警告: この引用は必ずしも正確ではありません.