Gaya APA
Castro, L. et al (1985).
Advanced programmer's guide, featuring dBase III and dBase II .
Culver City CA:
Ashton-Tate.
Gaya MLA
Castro, Luis. et al.
"Advanced programmer's guide, featuring dBase III and dBase II".
Culver City CA:
Ashton-Tate,
1985.
Printed Book.