Schutt, R. K. (1997). Study Guide and Activities: To Accompany Investigating the Social World. Pine Forge Press.
Citace podle Chicago (17th ed.)Schutt, Russell K. Study Guide and Activities: To Accompany Investigating the Social World. Thousand Oaks: Pine Forge Press, 1997.
Citace podle MLA (9th ed.)Schutt, Russell K. Study Guide and Activities: To Accompany Investigating the Social World. Pine Forge Press, 1997.
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