Gretton, R. H. (1971). Agricultural co-operatives. Friedrich-Ebert-Stiftung.
Chicago Style (17th ed.) CitationGretton, Ronald H. Agricultural Co-operatives. Bonn-Bad Godesberg: Friedrich-Ebert-Stiftung, 1971.
MLA (9th ed.) CitationGretton, Ronald H. Agricultural Co-operatives. Friedrich-Ebert-Stiftung, 1971.
Warning: These citations may not always be 100% accurate.