Dyfyniad APA

Taylor, D., Green, N. P. O., Stout, W., & Soper, R. C. (1998). Biological science (3rd ed. rev. and updated.). Cambridge University Press.

Dyfyniad Arddull Chicago

Taylor, D.J, N. P. O. Green, Wilf Stout, and R. C. Soper. Biological Science. 3rd ed. rev. and updated. Cambridge: Cambridge University Press, 1998.

Dyfyniad MLA

Taylor, D.J, et al. Biological Science. 3rd ed. rev. and updated. Cambridge University Press, 1998.

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