Jackson, J. B. C. (2001). What was natural in the coastal oceans? The National Academy of Sciences.
استشهاد بنمط شيكاغوJackson, Jeremy B. C. What Was Natural in the Coastal Oceans? The National Academy of Sciences, 2001.
MLA استشهادJackson, Jeremy B. C. What Was Natural in the Coastal Oceans? The National Academy of Sciences, 2001.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.