Gaya APA

WHITE, R. (1987). INTRODUCTION TO THE PRINCIPLES AND PRACTICE OF SOIL SCIENCE SECOND EDITION . LONDON: BLACKWELL SCIEMTIFIC PUBLICATIONS.

Gaya MLA

WHITE, R.E.. "INTRODUCTION TO THE PRINCIPLES AND PRACTICE OF SOIL SCIENCE SECOND EDITION". LONDON: BLACKWELL SCIEMTIFIC PUBLICATIONS, 1987. Text.