Romer, A. S. (1965). Vertebrate body (3rd. ed.). Vakils Feffer and Simons.
Dyfyniad Arddull ChicagoRomer, Alfred Sherwood. Vertebrate Body. 3rd. ed. Bombay: Vakils Feffer and Simons, 1965.
Dyfyniad MLARomer, Alfred Sherwood. Vertebrate Body. 3rd. ed. Vakils Feffer and Simons, 1965.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.