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