APA aipamena

Hybels, S. (2009). Communicating effectively. Boston, Mass: McGraw-Hill.

Chicago Style aipamena

Hybels, Saundra. Communicating Effectively. Boston, Mass: McGraw-Hill, 2009.

MLA aipamena

Hybels, Saundra. Communicating Effectively. Boston, Mass: McGraw-Hill, 2009.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.