Cita APA (7th ed.)

Gallini, J. K., & Gredler, M. E. (1989). Instructional design for computers: Cognitive applications in BASIC and Logo. Scott, Foresman.

Cita Chicago (17th ed.)

Gallini, Joan K., i Margaret E. Gredler. Instructional Design for Computers: Cognitive Applications in BASIC and Logo. Glenview, Ill: Scott, Foresman, 1989.

Cita MLA (9th ed.)

Gallini, Joan K., i Margaret E. Gredler. Instructional Design for Computers: Cognitive Applications in BASIC and Logo. Scott, Foresman, 1989.