Lua APA (7ú heag.)

Halsey, G. D. (1955). Selecting and developing first-line supervisors. Harper.

Lua i Stíl Chicago (17ú heag.)

Halsey, George D. Selecting and Developing First-line Supervisors. New york: Harper, 1955.

Lua MLA (9ú heag.)

Halsey, George D. Selecting and Developing First-line Supervisors. Harper, 1955.

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