Feder, G., Lau, L. J., & Slade, R. H. (1985). The Impact Of Agricultural Extension: :A Case Study Of The Training And Visit System In Haryana, India (1. Edisyon.). IBRD.
Chicago Style (17. basım) AtıfFeder, Gershon, L. J. Lau, ve Roger H. Slade. The Impact Of Agricultural Extension: :A Case Study Of The Training And Visit System In Haryana, India. 1. Edisyon. Washington: IBRD, 1985.
MLA (9th ed.) AtıfFeder, Gershon, et al. The Impact Of Agricultural Extension: :A Case Study Of The Training And Visit System In Haryana, India. 1. Edisyon. IBRD, 1985.
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