Dyfyniad APA

Green, N. P. O., & Stout, G. W. (1986). Work out biology: For advanced level.

Dyfyniad Arddull Chicago

Green, N P O., and G W. Stout. Work Out Biology: For Advanced Level. London, Macmillan, 1986.

Dyfyniad MLA

Green, N P O., and G W. Stout. Work Out Biology: For Advanced Level. 1986.

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