एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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