^Napier, H. Albert; Rivers, Ollie N.; Hoggatt, Jack P. (2015). Learning with Computers II (Level Orange, Grade 8), Cengage Learning. BiggerBooks. ISBN 9780538450713 (revised May 2022)
^ (2013). Learning with Computers II (Level Orange, Grade 8)ECampus. ISBN 9780538450713 (revised Jun 2015)