APA

Tanenbaum A. s. . A. S. W., .Operating Systems: Design and implementation. new york:pearson Education,2009: .

Chicago

Tanenbaum Andrew s Albert S Woodhull, .Operating Systems: Design and implementation. new york:pearson Education,2009: .

Harvard

Tanenbaum A. s. . A. S. W., .Operating Systems: Design and implementation. new york:pearson Education,2009: .

MLA

Tanenbaum Andrew s Albert S Woodhull, .new york:pearson Education,2009: . .