Παραπομπή σε μορφή APA (7η εκδ.)

Wal, H. v. d. (1999). Chinantec shifting cultivation: InTERAcTIVE landuse : a case-study in the Chinantla, Mexico, on secondary vegetation, soils and crop performance under indigenous shifting cultivation. s.n.].

Παραπομπή σε μορφή Chicago (17η εκδ.)

Wal, Hans van der. Chinantec Shifting Cultivation: InTERAcTIVE Landuse : A Case-study in the Chinantla, Mexico, on Secondary Vegetation, Soils and Crop Performance Under Indigenous Shifting Cultivation. [Wageningen: s.n.], 1999.

Παραπομπή σε μορφή MLA (8th εκδ.)

Wal, Hans van der. Chinantec Shifting Cultivation: InTERAcTIVE Landuse : A Case-study in the Chinantla, Mexico, on Secondary Vegetation, Soils and Crop Performance Under Indigenous Shifting Cultivation. s.n.], 1999.