Dyfyniad APA
Salmon, W. C. (1989). Four decades of scientific explanation. University of Minnesota Press.
Dyfyniad Arddull Chicago
Salmon, Wesley C. Four Decades of Scientific Explanation. Minneapolis: University of Minnesota Press, 1989.
Dyfyniad MLA
Salmon, Wesley C. Four Decades of Scientific Explanation. University of Minnesota Press, 1989.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.