Pfeiffer, J. W. (1987). The 1987 annual: Developing human resources (The sixteenth annual). University Associates.
Citazione stile Chigago Style (17a edizione)Pfeiffer, J William. The 1987 Annual: Developing Human Resources (The Sixteenth Annual). California: University Associates, 1987.
Citatione MLA (8a ed.)Pfeiffer, J William. The 1987 Annual: Developing Human Resources (The Sixteenth Annual). University Associates, 1987.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.