APA aipamena

GROFF JAMES R. (1983). UNDERSTANDING UNIX A CONCEPTUAL GUIDE. QUE CORPORATION.

Chicago Style aipamena

GROFF JAMES R. UNDERSTANDING UNIX A CONCEPTUAL GUIDE. INDIANA: QUE CORPORATION, 1983.

MLA aipamena

GROFF JAMES R. UNDERSTANDING UNIX A CONCEPTUAL GUIDE. QUE CORPORATION, 1983.