Fraser, A. K., & Lugg, G. W. (1962). Work study in agriculture. Land Books.
Chicago Edition CitationFraser, Alan K., i Gordon W. Lugg. Work Study in Agriculture. London: Land Books, 1962.
Cita MLAFraser, Alan K., i Gordon W. Lugg. Work Study in Agriculture. Land Books, 1962.
Atenció: Aquestes cites poden no estar 100% correctes.