Gaya APA

Laudon, K, C. et al (2002). Interactive computing series : microsoft excel 2002 (Introductory Edition). New York: McGraw-Hill Irwin.

Gaya MLA

Laudon, Kenneth, C.. et al. "Interactive computing series : microsoft excel 2002". Introductory Edition New York: McGraw-Hill Irwin, 2002. Text.