Gaya APA
Application building guide : version 7 / Universal Database. (2000).
Canada:
IBM.
Gaya Chicago
Application building guide : version 7 / Universal Database.
.
Canada:
IBM,
2000.
.
Gaya MLA
Application building guide : version 7 / Universal Database.
.
Canada:
IBM,
2000.
.
Gaya Turabian
Application building guide : version 7 / Universal Database.
Canada:
IBM,
2000.
.