Cita APA (7th ed.)

National Committee on the Use of Plastics in Agriculture. (1990). XI International Congress, the Use of Plastics in Agriculture: 26th February–2nd March 1990, New Delhi, India, proceedings. Oxford & IBH Publishing Co..

Cita Chicago (17th ed.)

National Committee on the Use of Plastics in Agriculture. XI International Congress, the Use of Plastics in Agriculture: 26th February–2nd March 1990, New Delhi, India, Proceedings. New Delhi: Oxford & IBH Publishing Co., 1990.

Cita MLA (9th ed.)

National Committee on the Use of Plastics in Agriculture. XI International Congress, the Use of Plastics in Agriculture: 26th February–2nd March 1990, New Delhi, India, Proceedings. Oxford & IBH Publishing Co., 1990.