Gaya APA

H., B, D., S., S. (1976). Data Processing Contracts, Structure, Contens and Negotiation . New York: Van Nostrand Reinhold Comp..

Gaya MLA

H., Brandon, Dick., S., Segristein. "Data Processing Contracts, Structure, Contens and Negotiation". New York: Van Nostrand Reinhold Comp., 1976. Text.