Cita APA (7th ed.)
Purves, A. J., Quattrini, J. A., & Sullivan, C. I. (1995). Creating the writing portfolio. NTC Publishing Group.
Cita Chicago (17th ed.)
Purves, Alan J., Joseph A. Quattrini, i Christine I. Sullivan. Creating the Writing Portfolio. Lincolnwood, IL.: NTC Publishing Group, 1995.
Cita MLA (9th ed.)
Purves, Alan J., et al. Creating the Writing Portfolio. NTC Publishing Group, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.