Παραπομπή σε μορφή APA (7η εκδ.)

Ohlsson, E. L. (1999). Agroforestry for improved cycling on small farms in western Kenya. Swedish University of Agricultural Sciences.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Ohlsson, Eva L. Agroforestry for Improved Cycling on Small Farms in Western Kenya. Uppsala: Swedish University of Agricultural Sciences, 1999.

Παραπομπή σε μορφή MLA (8th εκδ.)

Ohlsson, Eva L. Agroforestry for Improved Cycling on Small Farms in Western Kenya. Swedish University of Agricultural Sciences, 1999.