Gaya APA
Swanson, C, P., Brubaker, D, L. (1969).
Social studies in a mass society .
Califormia:
Califormia: Internasional Textbook Company; 1969.
Gaya MLA
Swanson, Carl, P.., Brubaker, Dale, L.
"Social studies in a mass society".
Califormia:
Califormia: Internasional Textbook Company; 1969,
1969.
Text.