APA

Knigth K., . (1989). Participation in systems development. Estados Unidos: GP Publishing Inc.

Chicago

Knigth Ken, . 1989. Participation in systems development. Estados Unidos: GP Publishing Inc.

Harvard

Knigth K., . (1989). Participation in systems development. Estados Unidos: GP Publishing Inc.

MLA

Knigth Ken, . Participation in systems development. Estados Unidos: GP Publishing Inc. 1989.