Cita APA

Anon. (1980). The role of phosphorus in Agriculture: Proceedings of a symposium held 1-3 Jun 1976 at the national fertilizer development center, Tenneáee Valley Authority, muscle shoals, Alabama. Wisconsin (EUA): ASA.

Citación estilo Chicago

Anon. The Role of Phosphorus in Agriculture: Proceedings of a Symposium Held 1-3 Jun 1976 At the National Fertilizer Development Center, Tenneáee Valley Authority, Muscle Shoals, Alabama. Wisconsin (EUA): ASA, 1980.

Cita MLA

Anon. The Role of Phosphorus in Agriculture: Proceedings of a Symposium Held 1-3 Jun 1976 At the National Fertilizer Development Center, Tenneáee Valley Authority, Muscle Shoals, Alabama. Wisconsin (EUA): ASA, 1980.