Dyfyniad APA

Laird, D. A., & Laird, E. (1961). Practical business psychology/3e (3rd ed.). New York.

Dyfyniad Arddull Chicago

Laird, Donald A., and Eleanor Laird. Practical Business Psychology/3e. 3rd ed. Mcgraw Hill: New York, 1961.

Dyfyniad MLA

Laird, Donald A., and Eleanor Laird. Practical Business Psychology/3e. 3rd ed. New York, 1961.

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