Cita APA (7th ed.)
Minor, E., & Frye, H. R. (1970). Techniques for producing visual instructional media. McGraw-hill.
Cita Chicago (17th ed.)
Minor, Ed, i Harvey R. Frye. Techniques for Producing Visual Instructional Media. New York: McGraw-hill, 1970.
Cita MLA (9th ed.)
Minor, Ed, i Harvey R. Frye. Techniques for Producing Visual Instructional Media. McGraw-hill, 1970.
Atenció: Aquestes cites poden no estar 100% correctes.