Παραπομπή σε μορφή APA (7η εκδ.)

Combatir, V. C. (1983). Videotape instruction versus instruction by conventional method in teaching a topic in biology to first year college students.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Combatir, Veronica C. Videotape Instruction Versus Instruction by Conventional Method in Teaching a Topic in Biology to First Year College Students. 1983.

Παραπομπή σε μορφή MLA (9th εκδ.)

Combatir, Veronica C. Videotape Instruction Versus Instruction by Conventional Method in Teaching a Topic in Biology to First Year College Students. 1983.