APA

Heany D. F., . (1968). Development of information systems: what management needs to know. New York: Ronald Press Co.

Chicago

Heany Donald F, . 1968. Development of information systems: what management needs to know. New York: Ronald Press Co.

Harvard

Heany D. F., . (1968). Development of information systems: what management needs to know. New York: Ronald Press Co.

MLA

Heany Donald F, . Development of information systems: what management needs to know. New York: Ronald Press Co. 1968.