APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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