APA ציטוט

General Programmed Teaching. (1970). Designing effective instruction. General Programmed Teaching.

Chicago Style (17th ed.) Citation

General Programmed Teaching. Designing Effective Instruction. Baltimore, Md.: General Programmed Teaching, 1970.

ציטוט MLA

General Programmed Teaching. Designing Effective Instruction. General Programmed Teaching, 1970.