Gottman, J. (2015). The seven principles for making marriage work: A practical guide from the country's foremost relationship expert.
Cita Chicago Style (17a ed.)Gottman, John. The Seven Principles for Making Marriage Work: A Practical Guide from the Country's Foremost Relationship Expert. 2015.
Cita MLA (8a ed.)Gottman, John. The Seven Principles for Making Marriage Work: A Practical Guide from the Country's Foremost Relationship Expert. 2015.
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