Gaya APA

Kovacs, D, K, (, K. (2007). Virtual reference handbook : interview and information delivery techniques for the chat and e-mail environments . New York: Neal-Schuman Publishers.

Gaya MLA

Kovacs, Diane, K., (Diane, Kaye). "Virtual reference handbook : interview and information delivery techniques for the chat and e-mail environments". New York: Neal-Schuman Publishers, 2007. Text.