Παραπομπή σε μορφή APA (7η εκδ.)

Assmo, P. (1999). Livelihood strategies and land degradation: Perceptions among small-scale farmers in Ng'iresi Village, Tanzania. Dept. of Human & Economic Geography, School of Economics and Commercial Law, University of Göteborg.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Assmo, Per. Livelihood Strategies and Land Degradation: Perceptions Among Small-scale Farmers in Ng'iresi Village, Tanzania. Göteborg, Sweden: Dept. of Human & Economic Geography, School of Economics and Commercial Law, University of Göteborg, 1999.

Παραπομπή σε μορφή MLA (8th εκδ.)

Assmo, Per. Livelihood Strategies and Land Degradation: Perceptions Among Small-scale Farmers in Ng'iresi Village, Tanzania. Dept. of Human & Economic Geography, School of Economics and Commercial Law, University of Göteborg, 1999.