Dyfyniad APA
Watkins, E. S. (2007). The estrogen elixir: A history of hormone replacement therapy in America. Johns Hopkins University Press.
Dyfyniad Arddull Chicago
Watkins, Elizabeth Siegel. The Estrogen Elixir: A History of Hormone Replacement Therapy in America. Baltimore: Johns Hopkins University Press, 2007.
Dyfyniad MLA
Watkins, Elizabeth Siegel. The Estrogen Elixir: A History of Hormone Replacement Therapy in America. Johns Hopkins University Press, 2007.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.