Graciǹ y Morales, B., & Jacobs, J. (2004). The art of worldly wisdom. Shambhala.
Dyfyniad Arddull ChicagoGraciǹ y Morales, Baltasar, and Joseph Jacobs. The Art of Worldly Wisdom. Boston, MA: Shambhala, 2004.
Dyfyniad MLAGraciǹ y Morales, Baltasar, and Joseph Jacobs. The Art of Worldly Wisdom. Shambhala, 2004.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.