Ray, B. (1979). A comparison of color video-tape recorded instruction and the conventional lecture-demonstration method in teaching technical illustration. [publisher not identified].
Chicago Style (17th ed.) CitationRay, Bobby. A Comparison of Color Video-tape Recorded Instruction and the Conventional Lecture-demonstration Method in Teaching Technical Illustration. [Place of publication not identified]: [publisher not identified], 1979.
MLA (9th ed.) CitationRay, Bobby. A Comparison of Color Video-tape Recorded Instruction and the Conventional Lecture-demonstration Method in Teaching Technical Illustration. [publisher not identified], 1979.
Warning: These citations may not always be 100% accurate.