Citazione Stile APA (7a Edizione)

Adams, M. E. (1982). Agricultural extension in developing countries. Longman.

Citazione stile Chigago Style (17a edizione)

Adams, M. E. Agricultural Extension in Developing Countries. Burnt Mill, Harlow, Essex: Longman, 1982.

Citatione MLA (8a ed.)

Adams, M. E. Agricultural Extension in Developing Countries. Longman, 1982.