APA-viite (7. p.)

Hughes, J. L. (1960). The Effectiveness of programed instruction: Experimental findings for 7070 training. Center for Programed Instruction.

Chicago-viite (17. p.)

Hughes, John Leo. The Effectiveness of Programed Instruction: Experimental Findings for 7070 Training. N.Y.: Center for Programed Instruction, 1960.

MLA-viite (8. p.)

Hughes, John Leo. The Effectiveness of Programed Instruction: Experimental Findings for 7070 Training. Center for Programed Instruction, 1960.