Dyfyniad APA

Sir Gavin de Beer. (1971). Homology, An Unsolved Problem. London: Oxford University Press.

Dyfyniad Arddull Chicago

Sir Gavin de Beer. Homology, An Unsolved Problem. London: Oxford University Press, 1971.

Dyfyniad MLA

Sir Gavin de Beer. Homology, An Unsolved Problem. London: Oxford University Press, 1971.

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