Cita APA (7th ed.)

Administrador, D. C., Heredia Gutiérrez, D. C., & Administrador, D. C. (2011). Learning for life or for pleasure. Corporación Universitaria Americana.

Cita Chicago (17th ed.)

Administrador, Diobaldo César, Diobaldo César Heredia Gutiérrez, i Diobaldo César Administrador. Learning for Life or for Pleasure. Corporación Universitaria Americana, 2011.

Cita MLA (8th ed.)

Administrador, Diobaldo César, et al. Learning for Life or for Pleasure. Corporación Universitaria Americana, 2011.