Gaya APA

SOIL SCIENCE: AN INTERDISCIPLINARY APPROACH TO SOILS RESEARCH, VOL.174.NO.8 AGUSTUS 2009. (2009). USA: LIPPINCOT WILLIAMS & WILKINS.

Gaya MLA

SOIL SCIENCE: AN INTERDISCIPLINARY APPROACH TO SOILS RESEARCH, VOL.174.NO.8 AGUSTUS 2009. VOL.174.NO.8 AGUSTUS 2009. USA: LIPPINCOT WILLIAMS & WILKINS, 2009. Prodi S1 Teknik Sipil.