Dyfyniad APA

Gould, S. J. (2002). The structure of evolutionary theory. Belknap Press of Harvard University Press.

Dyfyniad Arddull Chicago

Gould, Stephen Jay. The Structure of Evolutionary Theory. Cambridge, Mass: Belknap Press of Harvard University Press, 2002.

Dyfyniad MLA

Gould, Stephen Jay. The Structure of Evolutionary Theory. Belknap Press of Harvard University Press, 2002.

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