Schreiber, J. (1982). Social studies. Scott, Foresman.
Cita Chicago (17th ed.)Schreiber, Joan. Social Studies. Scott, Foresman, 1982.
Cita MLA (9th ed.)Schreiber, Joan. Social Studies. Scott, Foresman, 1982.
Atenció: Aquestes cites poden no estar 100% correctes.