APA aipamena

Young, D. H. (1997). Visual Tel Handbook. Prentice-Hall of India.

Chicago Style aipamena

Young, David H. Visual Tel Handbook. New Jersey: Prentice-Hall of India, 1997.

MLA aipamena

Young, David H. Visual Tel Handbook. Prentice-Hall of India, 1997.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.