Dyfyniad APA

(1997). Peterson's graduate programs in the biological sciences. Princeton, N.J.: Peterson's.

Dyfyniad Arddull Chicago

Peterson's Graduate Programs in the Biological Sciences. Princeton, N.J.: Peterson's, 1997.

Dyfyniad MLA

Peterson's Graduate Programs in the Biological Sciences. Princeton, N.J.: Peterson's, 1997.

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