Same as what was mentioned above...use the charts that AA has published and you'll be fine.
Here's the chart for Qantas:
http://www.aa.com/i18n/AAdvantage/ea...nes/qantas.jsp
Remember, if you book an AA flight number, you'll earn mile just like an AA flight. If you book a Qantas flight number, you'll need to refer to the partner chart.
Happy trails!