Gaya APA

THOMPSON, L, M. (1979). SOILS AND SOIL FERTILITY FOURTH EDITION . NEW DELHI: TATA MCGRAW-ILL PULISHING COMPANY LIMITED.

Gaya MLA

THOMPSON, LOUIS, M.. "SOILS AND SOIL FERTILITY FOURTH EDITION". NEW DELHI: TATA MCGRAW-ILL PULISHING COMPANY LIMITED, 1979. Text.