Folse, K. S., & Pugh, T. (2015). Great writing 5: From great essays to research (Third edition.). National Geographic Learning/Cengage Learning.
Chicago-viite (17. p.)Folse, Keith S., ja Tison Pugh. Great Writing 5: From Great Essays to Research. Third edition. Boston, Massachusetts: National Geographic Learning/Cengage Learning, 2015.
MLA-viite (9. p.)Folse, Keith S., ja Tison Pugh. Great Writing 5: From Great Essays to Research. Third edition. National Geographic Learning/Cengage Learning, 2015.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.