Gaya APA
Christopher, V, B. (1991).
Spreadshut Publishing With Quattro Pro Producing Effective Attractive Charts, Graphs, Tables & Presentation for Versions 2.0 & 3.0 .
America:
Ventaro Press.
Gaya MLA
Christopher, Van, Buren,.
"Spreadshut Publishing With Quattro Pro Producing Effective Attractive Charts, Graphs, Tables & Presentation for Versions 2.0 & 3.0".
America:
Ventaro Press,
1991.
Text.