Shirley: Yes. You can use your textbook for your reference.

雪莉：是的，你可以参考课本。

youdao

I wish next to emphasize that this is a textbook, and not a reference book.

我希望这本书是一本教科书而不是参考书。

youdao

I wish next to emphasize that this is a textbook, and not a reference book.

我希望这本书是一本教科书而不是参考书。

youdao