Παραπομπή APA

Clough, D., & Lewis C.G. OliverA.L. (1974). Manpower planning models. English University Press.

Παραπομπή Chicago Style

Clough, D.J, και Lewis C.G. OliverA.L. Manpower Planning Models. London: English University Press, 1974.

Παραπομπή MLA

Clough, D.J, και Lewis C.G. OliverA.L. Manpower Planning Models. English University Press, 1974.