P., S., M.(2001).Using the internet as a reference tool : a how-to-do-it manual for librarians / Michael P. Sauers (Cet.1).London:Library Association Publishing.
Gaya MLA
Sauers, Michael, P.."Using the internet as a reference tool : a how-to-do-it manual for librarians / Michael P. Sauers".Cet.1London:Library Association Publishing,2001.Textbook.