Dyfyniad APA

Callahan, D. (1990). What kind of life: The limits of medical progress. Simon and Schuster.

Dyfyniad Arddull Chicago

Callahan, Daniel. What Kind of Life: The Limits of Medical Progress. Simon and Schuster, 1990.

Dyfyniad MLA

Callahan, Daniel. What Kind of Life: The Limits of Medical Progress. Simon and Schuster, 1990.

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