Cita APA (7th ed.)

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.

Cita Chicago (17th ed.)

Popkin, Barry Michael, Susan J. De Jesus, i Luz E. Dullin. The Effect of Anemia on Road Construction Worker Productivity. [Quezon City]: School of Economics, University of the Philippines, 1976.

Cita MLA (9th ed.)

Popkin, Barry Michael, et al. The Effect of Anemia on Road Construction Worker Productivity. School of Economics, University of the Philippines, 1976.