Gaya APA
Burgess, R, E, P, A, E, W. (1921).
INTRODUCTION TO THE SCIENCE OF SOCIOLOGY .
Chicago:
THE UNIVERSITY OF CHICAGO PRESS.
Gaya MLA
Burgess, Robert, E., Park, And, Ernest, W..
"INTRODUCTION TO THE SCIENCE OF SOCIOLOGY".
Chicago:
THE UNIVERSITY OF CHICAGO PRESS,
1921.
Text.