Cita APA (7a ed.)

Digital Education Productions. (2003). EASY: Alphabet, numbers, colors & calendar (Ver. 2.1.). EASY, the ESL Series.

Cita Chicago Style (17a ed.)

Digital Education Productions. EASY: Alphabet, Numbers, Colors & Calendar. Ver. 2.1. Half Moon Bay, CA: EASY, the ESL Series, 2003.

Cita MLA (8a ed.)

Digital Education Productions. EASY: Alphabet, Numbers, Colors & Calendar. Ver. 2.1. EASY, the ESL Series, 2003.

Precaución: Estas citas no son 100% exactas.