APA

Oppenheim (Alan V), . (1997). Signals And Systems. Ed.2. : .

Chicago

Oppenheim (Alan V), . 1997. Signals And Systems. Ed.2. : .

Harvard

Oppenheim (Alan V), . (1997). Signals And Systems. Ed.2. : .

MLA

Oppenheim (Alan V), . Signals And Systems. Ed.2. : . 1997.