Dyfyniad APA

Sieverding, E. (1991). Vesicular-Arbuscular mycorrhiza management in tropical agrosytems. Hartmut Bremer Verlag: Germany.

Dyfyniad Arddull Chicago

Sieverding, Ewald. Vesicular-Arbuscular Mycorrhiza Management in Tropical Agrosytems. Hartmut Bremer Verlag: Germany, 1991.

Dyfyniad MLA

Sieverding, Ewald. Vesicular-Arbuscular Mycorrhiza Management in Tropical Agrosytems. Hartmut Bremer Verlag: Germany, 1991.

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