(1998). Researchers study stink in piggeries. Agriculture.
Dyfyniad Arddull Chicago"Researchers Study Stink in Piggeries." Agriculture 1998.
Dyfyniad MLA"Researchers Study Stink in Piggeries." Agriculture, 1998.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.