Cofnodi Dyfyniadau
Dyfyniad APA
ebrary, Inc, Robbins, M. S., Grosberg, B. M., & Lipton, R. B. (2013). Headache. Wiley-Blackwell.
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Dyfyniad Arddull Chicago
ebrary, Inc, Matthew S. Robbins, Brian M. Grosberg, and Richard B. Lipton. Headache. Chichester, England: Wiley-Blackwell, 2013.
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Dyfyniad MLA
ebrary, Inc, et al. Headache. Wiley-Blackwell, 2013.
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Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.