Ehman, K. (2015). Keep it shut: What to say, how to say it, and when to say nothing at all. Zondervan.
Style de citation Chicago (17e éd.)Ehman, Karen. Keep It Shut: What to Say, How to Say It, and When to Say Nothing at All. Grand Rapids, Michigan: Zondervan, 2015.
Style de citation MLA (8e éd.)Ehman, Karen. Keep It Shut: What to Say, How to Say It, and When to Say Nothing at All. Zondervan, 2015.
Attention : ces citations peuvent ne pas être correctes à 100%.