Cita APA (7th ed.)

KHANNA, O. (1992). WORK STUDY TIME AND MOTION STUDY. DHANPAT RAI.

Cita Chicago (17th ed.)

KHANNA, O.P. WORK STUDY TIME AND MOTION STUDY. NEW DELHI: DHANPAT RAI, 1992.

Cita MLA (9th ed.)

KHANNA, O.P. WORK STUDY TIME AND MOTION STUDY. DHANPAT RAI, 1992.