Dyfyniad APA

Lockard, J. (1992). Instructional software: Practical design and development. Wm. C. Brown Publishers.

Dyfyniad Arddull Chicago

Lockard, James. Instructional Software: Practical Design and Development. Dubuque, Iowa: Wm. C. Brown Publishers, 1992.

Dyfyniad MLA

Lockard, James. Instructional Software: Practical Design and Development. Wm. C. Brown Publishers, 1992.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.