Cita APA (7th ed.)

SWARUP R. (1992). AN INTRODUCTION TO MAN & HIS ENVIRONMENT. MITTAL PUBLICATIONS.

Cita Chicago (17th ed.)

SWARUP R. AN INTRODUCTION TO MAN & HIS ENVIRONMENT. NEW DELHI: MITTAL PUBLICATIONS, 1992.

Cita MLA (9th ed.)

SWARUP R. AN INTRODUCTION TO MAN & HIS ENVIRONMENT. MITTAL PUBLICATIONS, 1992.