APA aipamena

BRIGGS, D. (1981). Sources and methods in geogaphy: Soils. Butterworths.

Chicago Style aipamena

BRIGGS, David. Sources and Methods in Geogaphy: Soils. London: Butterworths, 1981.

MLA aipamena

BRIGGS, David. Sources and Methods in Geogaphy: Soils. Butterworths, 1981.