Dyfyniad APA

Young, J. H. (1992). American health quackery (First edition.). Princeton University Press.

Dyfyniad Arddull Chicago

Young, James Harvey. American Health Quackery. First edition. Princeton: Princeton University Press, 1992.

Dyfyniad MLA

Young, James Harvey. American Health Quackery. First edition. Princeton University Press, 1992.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.