Reference information related to data that is copied using computer software is provided. The data can be copied from a first computer application to a memory. Reference information related to the data can also be copied to the memory. The copied data can be pasted to a second computer application. The reference information related to the data can also be pasted to the second application, so that the reference information can be reviewed along with the data. The data and reference information can also be copied and pasted among one or more documents using a single computer application.