APA-viite (7. p.)

Ryan, A. H. (1997). Keeping pace plus: An active reading study guide for Lefton pshchology (6th ed.). Allyn and Bacon.

Chicago-viite (17. p.)

Ryan, Andrew H. Keeping Pace Plus: An Active Reading Study Guide for Lefton Pshchology. 6th ed. Needham Height, MA: Allyn and Bacon, 1997.

MLA-viite (8. p.)

Ryan, Andrew H. Keeping Pace Plus: An Active Reading Study Guide for Lefton Pshchology. 6th ed. Allyn and Bacon, 1997.