Cita APA (7th ed.)

SULPHEY, M. (2012). INTRODUCTION TO ENVERONMENT MANAGEMENT. PHI.

Cita Chicago (17th ed.)

SULPHEY, M.M. INTRODUCTION TO ENVERONMENT MANAGEMENT. NEW DELHI: PHI, 2012.

Cita MLA (9th ed.)

SULPHEY, M.M. INTRODUCTION TO ENVERONMENT MANAGEMENT. PHI, 2012.