Dyfyniad APA

Sackman,Harold. (1987). Computers and international socio-economic problems. North-Holland.

Dyfyniad Arddull Chicago

Sackman,Harold. Computers and International Socio-economic Problems. Amsterdam: North-Holland, 1987.

Dyfyniad MLA

Sackman,Harold. Computers and International Socio-economic Problems. North-Holland, 1987.

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