When you face the problem of how to make a copy of your dvd disc, don’t worry ,there are only 3 steps to finish doing it.
Step 1 Click here to download DVD Copy for Mac. After the download, run the .dmg file of intel version to install.
Step2 Insert DVD disc into the Drive, run DVD Copy for Mac, and you will see the main screen .
There are four output methods you can choose:
1) Click to choose “Copy to a new DVD Disc”, so you can burn your dvd disc to a new blank dvd disc;
2) Click to choose “Copy to your hard disk”-“DVD Folder”, so you can copy dvd movies from your dvd discs to dvd folder on your computer;
3) Click to choose “Copy to your hard disk”-“DVD Player Media”, after you copy your dvd to player media file, so you can directly play your dvd movies on Apple DVD Player without DVD Disc;
4) Click to choose “Copy to your hard disk”-“ISO Image”, so you can make a copy of your dvd disc to iso image, then you can save your dvd movies as iso file on your Mac Intel.
Step 3 When all is set, start to copy your dvd disc.
Resource: http://www.applemacvideo.com/mac-dvd-copy.html#131