Gaya APA
Lamm, R, T, S, ;, R, P. (1987).
Introducing sociology: a collection of readings .
New York:
Mc Graw Hill.
Gaya MLA
Lamm, Richard, T., Schaefer, ;, Robert, P..
"Introducing sociology: a collection of readings".
New York:
Mc Graw Hill,
1987.
Text.