Dyfyniad APA

Herr, E. L. (1974). Vocational Guidence and Human Development. Houghton Mifflin.

Dyfyniad Arddull Chicago

Herr, Edwin L. Vocational Guidence and Human Development. Boston: Houghton Mifflin, 1974.

Dyfyniad MLA

Herr, Edwin L. Vocational Guidence and Human Development. Houghton Mifflin, 1974.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.