Gaya APA

Levine, R, E, A, G, C, D. (2010). Operating Systems : A Spiral Approach (Edisi 1). New York :: McGraw-Hill.

Gaya MLA

Levine, Ramez, Elmasri,, A., Gil, Carrick,, David. "Operating Systems : A Spiral Approach". Edisi 1 New York :: McGraw-Hill, 2010. Text.