APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.