Gaya APA

The Ozone layer [rekaman video] / by Rhonda Fabian and Jerry Baber. (1993). : Bala Cynwyd, Schlessinger Video Productions.

Gaya MLA

The Ozone layer [rekaman video] / by Rhonda Fabian and Jerry Baber. . : Bala Cynwyd, Schlessinger Video Productions, 1993. Text.