Παραπομπή σε μορφή APA (7η εκδ.)

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.