Gaya APA
Gottfried, B, S, G, B, S. (2007).
Spreadsheet tools for engineering using Excel.-- (Ed. 3.--).
America:
McGraw-Hill.
Gaya MLA
Gottfried, Byron, S., Gottfried,, Byron, S..
"Spreadsheet tools for engineering using Excel.--".
Ed. 3.--
America:
McGraw-Hill,
2007.
Buku.