Dyfyniad APA

Barker, A. N., & Gould, G. W. W. (1971). Spore research,1971. Academic Press.

Dyfyniad Arddull Chicago

Barker, A N., and G W Wolf Gould. Spore Research,1971. London: Academic Press, 1971.

Dyfyniad MLA

Barker, A N., and G W Wolf Gould. Spore Research,1971. Academic Press, 1971.

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