H Marui. (1988). FAO conservation guide N.13.4: Watershed management field manual: Landslide prevention measures. Rome: FAO.
Chicago Style aipamenaH Marui. FAO Conservation Guide N.13.4: Watershed Management Field Manual: Landslide Prevention Measures. Rome: FAO, 1988.
MLA aipamenaH Marui. FAO Conservation Guide N.13.4: Watershed Management Field Manual: Landslide Prevention Measures. Rome: FAO, 1988.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.