Gottman, J. M., & Silver, N. (2015). The seven principles for making marriage work (2nd ed.). Harmony Books.
Cita Chicago Style (17a ed.)Gottman, John Mordechai, y Nan Silver. The Seven Principles for Making Marriage Work. 2nd ed. New York: Harmony Books, 2015.
Cita MLA (9a ed.)Gottman, John Mordechai, y Nan Silver. The Seven Principles for Making Marriage Work. 2nd ed. Harmony Books, 2015.
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