Cita APA (7th ed.)

McDiarmid, O. J. (1977). Unskilled labor for development its economic cost. The Johns Hopkins University.

Cita Chicago (17th ed.)

McDiarmid, Orville John. Unskilled Labor for Development Its Economic Cost. The Johns Hopkins University, 1977.

Cita MLA (9th ed.)

McDiarmid, Orville John. Unskilled Labor for Development Its Economic Cost. The Johns Hopkins University, 1977.