एपीए उद्धरण

Petzold, C. (2000). Code: The hidden language of computer hardware and software. Redmond, Wash: Microsoft Press.

शिकागो स्टाइल उद्धरण

Petzold, Charles. Code: The Hidden Language of Computer Hardware and Software. Redmond, Wash: Microsoft Press, 2000.

एमएलए उद्धरण

Petzold, Charles. Code: The Hidden Language of Computer Hardware and Software. Redmond, Wash: Microsoft Press, 2000.