APA-ийн эшлэл(7 дахь хэвлэлт)

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

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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

MLA -ийн эшлэл (9 дэх хэвлэлт)

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