Low Dog, T. (2016). Fortify your life: Your guide to vitamins, minerals, and more. National Geographic.
Cita Chicago Style (17a ed.)Low Dog, Tieraona. Fortify Your Life: Your Guide to Vitamins, Minerals, and More. Washington, DC: National Geographic, 2016.
Cita MLA (8a ed.)Low Dog, Tieraona. Fortify Your Life: Your Guide to Vitamins, Minerals, and More. National Geographic, 2016.
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