Walker, S. T. (1990). Innovative agricultural extension for women: A case study in Cameroon. Population and Human Resources Dept., World Bank.
Παραπομπή σε μορφή Chicago (17η εκδ.)Walker, S. Tjip. Innovative Agricultural Extension for Women: A Case Study in Cameroon. Washington, D.C: Population and Human Resources Dept., World Bank, 1990.
Παραπομπή σε μορφή MLA (9th εκδ.)Walker, S. Tjip. Innovative Agricultural Extension for Women: A Case Study in Cameroon. Population and Human Resources Dept., World Bank, 1990.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.