Gaya APA
Steven, L., Daniel, L. (1990).
Panduan pengoperasian dbase IV / Daniel Lucky, Steven Lucky (Cet.2).
Jakarta:
Gramedia.
Gaya MLA
Lucky, Steven., Lucky, Daniel.
"Panduan pengoperasian dbase IV / Daniel Lucky, Steven Lucky".
Cet.2
Jakarta:
Gramedia,
1990.
Skripsi.