एपीए उद्धरण

Achyuthsankar,S. Nayar. (2003). Swathanthra softweyarum Gnu/Linuxum. state institute of languages.

शिकागो स्टाइल उद्धरण

Achyuthsankar,S. Nayar. Swathanthra Softweyarum Gnu/Linuxum. Thiruvananthapuram: state institute of languages, 2003.

एमएलए उद्धरण

Achyuthsankar,S. Nayar. Swathanthra Softweyarum Gnu/Linuxum. state institute of languages, 2003.