Gaya APA
Simpson, A., Surodjo, B.
(1986).
Memahami dBASE III plus
.
Surabaya:
Indomicros.
Gaya MLA
Simpson, Alan.., Surodjo, Benny..
"Memahami dBASE III plus".
Surabaya:
Indomicros,
1986.
Printed Book.