Schutt, R. K. (1997). Study Guide and Activities: To Accompany Investigating the Social World. Pine Forge Press.
Cita Chicago (17th ed.)Schutt, Russell K. Study Guide and Activities: To Accompany Investigating the Social World. Thousand Oaks: Pine Forge Press, 1997.
Cita MLA (9th ed.)Schutt, Russell K. Study Guide and Activities: To Accompany Investigating the Social World. Pine Forge Press, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.