Conversemos "Let's Talk", Lesson 27, How To Form The Imperfect Tense
directed by Shawndra McWhorter, fl. 1984; produced by Ronald T. Page, fl. 1984, Palomar College. Educational Television, in Conversemos "Let's Talk", Lesson 27 (San Marcos, CA: Palomar Community College, 1984, originally published 1984), 28 mins