Citação norma APA

Welch, J. M. (1966). A task unit concept for the on-the-job training in food service. University of Missouri, Extension Division.

Citação norma Chicago

Welch, John M. A Task Unit Concept for the On-the-job Training in Food Service. Columbia: University of Missouri, Extension Division, 1966.

Citação norma MLA

Welch, John M. A Task Unit Concept for the On-the-job Training in Food Service. University of Missouri, Extension Division, 1966.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.