APA-viite (7. p.)

Wittich, W. A., & Schuller, C. F. (1975). Instructional technology: Student production guide. Harper & Row.

Chicago-viite (17. p.)

Wittich, Walter A., ja Charles Francis Schuller. Instructional Technology: Student Production Guide. N.Y.: Harper & Row, 1975.

MLA-viite (8. p.)

Wittich, Walter A., ja Charles Francis Schuller. Instructional Technology: Student Production Guide. Harper & Row, 1975.