APA citiranje

(1967). Developing programmed instructional materials ; a handbook for program writers / [by] James E. Espich & Bill Williams.

Chicago Style (17th ed.) Citation

Developing Programmed Instructional Materials ; a Handbook for Program Writers / [by] James E. Espich & Bill Williams. 1967.

MLA citiranje

Developing Programmed Instructional Materials ; a Handbook for Program Writers / [by] James E. Espich & Bill Williams. 1967.