ПУБЛИКАЦИИ
PC Magazine. — 1989. — January. — P.130.
Ссылка
PC Magazine. — 1989. — January. — P.130.
СУБД
Paradox 2.0 

Paradox Personal Programmer. Relational Database. Release 2.0. Ansa Software. — 1987.
Ссылка
Paradox Personal Programmer. Relational Database. Release 2.0. Ansa Software. — 1987.
СУБД
Paradox 2.0 

Paradox. User's Guide. Release 2.0. ANSA Software.— 1987.
Ссылка
Paradox. User's Guide. Release 2.0. ANSA Software.— 1987.
СУБД
Paradox 2.0 

The PAL User's GUIDE. The Paradox Application Language. Release 2.0. Ansa Software. — 1987.
Ссылка
The PAL User's GUIDE. The Paradox Application Language. Release 2.0. Ansa Software. — 1987.
СУБД
Paradox 2.0