Dyfyniad APA

Simpson, A. (1987). Simpson's dbase tips and tricks. Tech Publication.

Dyfyniad Arddull Chicago

Simpson, Alan. Simpson's Dbase Tips and Tricks. Singapore: Tech Publication, 1987.

Dyfyniad MLA

Simpson, Alan. Simpson's Dbase Tips and Tricks. Tech Publication, 1987.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.