Cita APA (7a ed.)

Symptom Media, production company, & Kohlberg, L. (2012). Kohlberg moral developmental stages index. Level 1. Episode 2, Pre-conventional self-interest orientation (2). Symptom Media.

Cita Chicago Style (17a ed.)

Symptom Media, production company, y Lawrence Kohlberg. Kohlberg Moral Developmental Stages Index. Level 1. Episode 2, Pre-conventional Self-interest Orientation (2). Carlsbad, CA: Symptom Media, 2012.

Cita MLA (9a ed.)

Symptom Media, production company, y Lawrence Kohlberg. Kohlberg Moral Developmental Stages Index. Level 1. Episode 2, Pre-conventional Self-interest Orientation (2). Symptom Media, 2012.