Popkin, B. M., De Jesus, S. J., & Dullin, L. E. (1976). The effect of anemia on road construction worker productivity. School of Economics, University of the Philippines.
Chicago-Zitierstil (17. Ausg.)Popkin, Barry Michael, Susan J. De Jesus, und Luz E. Dullin. The Effect of Anemia on Road Construction Worker Productivity. [Quezon City]: School of Economics, University of the Philippines, 1976.
MLA-Zitierstil (9. Ausg.)Popkin, Barry Michael, et al. The Effect of Anemia on Road Construction Worker Productivity. School of Economics, University of the Philippines, 1976.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.