एपीए उद्धरण

Weil, R. R. (2017). The nature and properties of soils. Harlow, England: Pearson.

शिकागो स्टाइल उद्धरण

Weil, Ray R. The Nature and Properties of Soils. Harlow, England: Pearson, 2017.

एमएलए उद्धरण

Weil, Ray R. The Nature and Properties of Soils. Harlow, England: Pearson, 2017.